Home / 157,541.22-217,425.57-89,568.45

Finding the Fourth Proportional to 157,541.22, 217,425.57 and 89,568.45

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Solution

The fourth proportional to 157,541.22, 217,425.57 and 89,568.45 is: 123,615.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,541.22 : 217,425.57 = 89,568.45 : x
  2. Step 2: Convert to fraction form
    157,541.22/217,425.57 = 89,568.45/x
  3. Step 3: Cross multiply
    157,541.22x = 217,425.57 × 89,568.45
  4. Step 4: Simplify right side
    157,541.22x = 19,474,470,959.38
  5. Step 5: Solve for x
    x = 19,474,470,959.38/157,541.22
  6. Step 6: Final answer
    x = 123,615.08

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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.