Home / 105,120.46-157,680.68-38,535.42

Finding the Fourth Proportional to 105,120.46, 157,680.68 and 38,535.42

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Solution

The fourth proportional to 105,120.46, 157,680.68 and 38,535.42 is: 57,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,120.46 : 157,680.68 = 38,535.42 : x
  2. Step 2: Convert to fraction form
    105,120.46/157,680.68 = 38,535.42/x
  3. Step 3: Cross multiply
    105,120.46x = 157,680.68 × 38,535.42
  4. Step 4: Simplify right side
    105,120.46x = 6,076,291,229.69
  5. Step 5: Solve for x
    x = 6,076,291,229.69/105,120.46
  6. Step 6: Final answer
    x = 57,803.13

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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.