Home / 121,331.40-181,924.20-62,282.40

Finding the Fourth Proportional to 121,331.40, 181,924.20 and 62,282.40

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Solution

The fourth proportional to 121,331.40, 181,924.20 and 62,282.40 is: 93,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,331.40 : 181,924.20 = 62,282.40 : x
  2. Step 2: Convert to fraction form
    121,331.40/181,924.20 = 62,282.40/x
  3. Step 3: Cross multiply
    121,331.40x = 181,924.20 × 62,282.40
  4. Step 4: Simplify right side
    121,331.40x = 11,330,675,794.08
  5. Step 5: Solve for x
    x = 11,330,675,794.08/121,331.40
  6. Step 6: Final answer
    x = 93,386.18

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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.