Home / 153,748.72-212,187.84-96,397.12

Finding the Fourth Proportional to 153,748.72, 212,187.84 and 96,397.12

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Solution

The fourth proportional to 153,748.72, 212,187.84 and 96,397.12 is: 133,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,748.72 : 212,187.84 = 96,397.12 : x
  2. Step 2: Convert to fraction form
    153,748.72/212,187.84 = 96,397.12/x
  3. Step 3: Cross multiply
    153,748.72x = 212,187.84 × 96,397.12
  4. Step 4: Simplify right side
    153,748.72x = 20,454,296,675.02
  5. Step 5: Solve for x
    x = 20,454,296,675.02/153,748.72
  6. Step 6: Final answer
    x = 133,037.18

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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.