Home / 157,726.20-217,665.54-86,109.24

Finding the Fourth Proportional to 157,726.20, 217,665.54 and 86,109.24

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Solution

The fourth proportional to 157,726.20, 217,665.54 and 86,109.24 is: 118,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,726.20 : 217,665.54 = 86,109.24 : x
  2. Step 2: Convert to fraction form
    157,726.20/217,665.54 = 86,109.24/x
  3. Step 3: Cross multiply
    157,726.20x = 217,665.54 × 86,109.24
  4. Step 4: Simplify right side
    157,726.20x = 18,743,014,223.59
  5. Step 5: Solve for x
    x = 18,743,014,223.59/157,726.20
  6. Step 6: Final answer
    x = 118,832.60

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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.