Home / 153,899.38-212,384.74-96,541.13

Finding the Fourth Proportional to 153,899.38, 212,384.74 and 96,541.13

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Solution

The fourth proportional to 153,899.38, 212,384.74 and 96,541.13 is: 133,229.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,899.38 : 212,384.74 = 96,541.13 : x
  2. Step 2: Convert to fraction form
    153,899.38/212,384.74 = 96,541.13/x
  3. Step 3: Cross multiply
    153,899.38x = 212,384.74 × 96,541.13
  4. Step 4: Simplify right side
    153,899.38x = 20,503,861,491.08
  5. Step 5: Solve for x
    x = 20,503,861,491.08/153,899.38
  6. Step 6: Final answer
    x = 133,229.01

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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.