Home / 157,589.08-217,483.20-89,612.36

Finding the Fourth Proportional to 157,589.08, 217,483.20 and 89,612.36

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Solution

The fourth proportional to 157,589.08, 217,483.20 and 89,612.36 is: 123,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,589.08 : 217,483.20 = 89,612.36 : x
  2. Step 2: Convert to fraction form
    157,589.08/217,483.20 = 89,612.36/x
  3. Step 3: Cross multiply
    157,589.08x = 217,483.20 × 89,612.36
  4. Step 4: Simplify right side
    157,589.08x = 19,489,182,812.35
  5. Step 5: Solve for x
    x = 19,489,182,812.35/157,589.08
  6. Step 6: Final answer
    x = 123,670.90

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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.