Home / 186,666.32-257,517.52-126,215.12

Finding the Fourth Proportional to 186,666.32, 257,517.52 and 126,215.12

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Solution

The fourth proportional to 186,666.32, 257,517.52 and 126,215.12 is: 174,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,666.32 : 257,517.52 = 126,215.12 : x
  2. Step 2: Convert to fraction form
    186,666.32/257,517.52 = 126,215.12/x
  3. Step 3: Cross multiply
    186,666.32x = 257,517.52 × 126,215.12
  4. Step 4: Simplify right side
    186,666.32x = 32,502,604,688.90
  5. Step 5: Solve for x
    x = 32,502,604,688.90/186,666.32
  6. Step 6: Final answer
    x = 174,121.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.