Home / 124,153.14-171,335.20-70,440.42

Finding the Fourth Proportional to 124,153.14, 171,335.20 and 70,440.42

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Solution

The fourth proportional to 124,153.14, 171,335.20 and 70,440.42 is: 97,209.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,153.14 : 171,335.20 = 70,440.42 : x
  2. Step 2: Convert to fraction form
    124,153.14/171,335.20 = 70,440.42/x
  3. Step 3: Cross multiply
    124,153.14x = 171,335.20 × 70,440.42
  4. Step 4: Simplify right side
    124,153.14x = 12,068,923,448.78
  5. Step 5: Solve for x
    x = 12,068,923,448.78/124,153.14
  6. Step 6: Final answer
    x = 97,209.97

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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.