Home / 121,323.10-181,984.65-74,602.30

Finding the Fourth Proportional to 121,323.10, 181,984.65 and 74,602.30

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Solution

The fourth proportional to 121,323.10, 181,984.65 and 74,602.30 is: 111,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,323.10 : 181,984.65 = 74,602.30 : x
  2. Step 2: Convert to fraction form
    121,323.10/181,984.65 = 74,602.30/x
  3. Step 3: Cross multiply
    121,323.10x = 181,984.65 × 74,602.30
  4. Step 4: Simplify right side
    121,323.10x = 13,576,473,454.70
  5. Step 5: Solve for x
    x = 13,576,473,454.70/121,323.10
  6. Step 6: Final answer
    x = 111,903.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.