Home / 157,527.10-217,378.76-89,534.64

Finding the Fourth Proportional to 157,527.10, 217,378.76 and 89,534.64

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Solution

The fourth proportional to 157,527.10, 217,378.76 and 89,534.64 is: 123,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,527.10 : 217,378.76 = 89,534.64 : x
  2. Step 2: Convert to fraction form
    157,527.10/217,378.76 = 89,534.64/x
  3. Step 3: Cross multiply
    157,527.10x = 217,378.76 × 89,534.64
  4. Step 4: Simplify right side
    157,527.10x = 19,462,929,531.81
  5. Step 5: Solve for x
    x = 19,462,929,531.81/157,527.10
  6. Step 6: Final answer
    x = 123,552.89

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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.