Home / 157,333.32-217,125.56-89,348.40

Finding the Fourth Proportional to 157,333.32, 217,125.56 and 89,348.40

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Solution

The fourth proportional to 157,333.32, 217,125.56 and 89,348.40 is: 123,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,333.32 : 217,125.56 = 89,348.40 : x
  2. Step 2: Convert to fraction form
    157,333.32/217,125.56 = 89,348.40/x
  3. Step 3: Cross multiply
    157,333.32x = 217,125.56 × 89,348.40
  4. Step 4: Simplify right side
    157,333.32x = 19,399,821,608.48
  5. Step 5: Solve for x
    x = 19,399,821,608.48/157,333.32
  6. Step 6: Final answer
    x = 123,303.96

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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.