Home / 238,248.16-328,788.72-130,825.12

Finding the Fourth Proportional to 238,248.16, 328,788.72 and 130,825.12

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Solution

The fourth proportional to 238,248.16, 328,788.72 and 130,825.12 is: 180,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,248.16 : 328,788.72 = 130,825.12 : x
  2. Step 2: Convert to fraction form
    238,248.16/328,788.72 = 130,825.12/x
  3. Step 3: Cross multiply
    238,248.16x = 328,788.72 × 130,825.12
  4. Step 4: Simplify right side
    238,248.16x = 43,013,823,748.65
  5. Step 5: Solve for x
    x = 43,013,823,748.65/238,248.16
  6. Step 6: Final answer
    x = 180,542.10

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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.