Home / 121,282.40-181,923.60-38,176.40

Finding the Fourth Proportional to 121,282.40, 181,923.60 and 38,176.40

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Solution

The fourth proportional to 121,282.40, 181,923.60 and 38,176.40 is: 57,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,282.40 : 181,923.60 = 38,176.40 : x
  2. Step 2: Convert to fraction form
    121,282.40/181,923.60 = 38,176.40/x
  3. Step 3: Cross multiply
    121,282.40x = 181,923.60 × 38,176.40
  4. Step 4: Simplify right side
    121,282.40x = 6,945,188,123.04
  5. Step 5: Solve for x
    x = 6,945,188,123.04/121,282.40
  6. Step 6: Final answer
    x = 57,264.60

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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.