Home / 186,757.92-257,643.72-126,306.18

Finding the Fourth Proportional to 186,757.92, 257,643.72 and 126,306.18

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Solution

The fourth proportional to 186,757.92, 257,643.72 and 126,306.18 is: 174,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,757.92 : 257,643.72 = 126,306.18 : x
  2. Step 2: Convert to fraction form
    186,757.92/257,643.72 = 126,306.18/x
  3. Step 3: Cross multiply
    186,757.92x = 257,643.72 × 126,306.18
  4. Step 4: Simplify right side
    186,757.92x = 32,541,994,074.19
  5. Step 5: Solve for x
    x = 32,541,994,074.19/186,757.92
  6. Step 6: Final answer
    x = 174,246.93

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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.