Home / 124,792.14-172,164.24-76,962.54

Finding the Fourth Proportional to 124,792.14, 172,164.24 and 76,962.54

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Solution

The fourth proportional to 124,792.14, 172,164.24 and 76,962.54 is: 106,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,792.14 : 172,164.24 = 76,962.54 : x
  2. Step 2: Convert to fraction form
    124,792.14/172,164.24 = 76,962.54/x
  3. Step 3: Cross multiply
    124,792.14x = 172,164.24 × 76,962.54
  4. Step 4: Simplify right side
    124,792.14x = 13,250,197,207.57
  5. Step 5: Solve for x
    x = 13,250,197,207.57/124,792.14
  6. Step 6: Final answer
    x = 106,178.14

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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.