Home / 157,852.13-217,850.92-86,242.93

Finding the Fourth Proportional to 157,852.13, 217,850.92 and 86,242.93

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Solution

The fourth proportional to 157,852.13, 217,850.92 and 86,242.93 is: 119,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,852.13 : 217,850.92 = 86,242.93 : x
  2. Step 2: Convert to fraction form
    157,852.13/217,850.92 = 86,242.93/x
  3. Step 3: Cross multiply
    157,852.13x = 217,850.92 × 86,242.93
  4. Step 4: Simplify right side
    157,852.13x = 18,788,100,883.76
  5. Step 5: Solve for x
    x = 18,788,100,883.76/157,852.13
  6. Step 6: Final answer
    x = 119,023.43

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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.