Home / 157,528.25-217,401.93-89,566.64

Finding the Fourth Proportional to 157,528.25, 217,401.93 and 89,566.64

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Solution

The fourth proportional to 157,528.25, 217,401.93 and 89,566.64 is: 123,609.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,528.25 : 217,401.93 = 89,566.64 : x
  2. Step 2: Convert to fraction form
    157,528.25/217,401.93 = 89,566.64/x
  3. Step 3: Cross multiply
    157,528.25x = 217,401.93 × 89,566.64
  4. Step 4: Simplify right side
    157,528.25x = 19,471,959,312.61
  5. Step 5: Solve for x
    x = 19,471,959,312.61/157,528.25
  6. Step 6: Final answer
    x = 123,609.32

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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.