Home / 121,293.10-181,939.65-38,176.30

Finding the Fourth Proportional to 121,293.10, 181,939.65 and 38,176.30

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Solution

The fourth proportional to 121,293.10, 181,939.65 and 38,176.30 is: 57,264.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,293.10 : 181,939.65 = 38,176.30 : x
  2. Step 2: Convert to fraction form
    121,293.10/181,939.65 = 38,176.30/x
  3. Step 3: Cross multiply
    121,293.10x = 181,939.65 × 38,176.30
  4. Step 4: Simplify right side
    121,293.10x = 6,945,782,660.30
  5. Step 5: Solve for x
    x = 6,945,782,660.30/121,293.10
  6. Step 6: Final answer
    x = 57,264.45

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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.