Home / 238,117.11-328,577.68-142,621.35

Finding the Fourth Proportional to 238,117.11, 328,577.68 and 142,621.35

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Solution

The fourth proportional to 238,117.11, 328,577.68 and 142,621.35 is: 196,803.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,117.11 : 328,577.68 = 142,621.35 : x
  2. Step 2: Convert to fraction form
    238,117.11/328,577.68 = 142,621.35/x
  3. Step 3: Cross multiply
    238,117.11x = 328,577.68 × 142,621.35
  4. Step 4: Simplify right side
    238,117.11x = 46,862,192,301.47
  5. Step 5: Solve for x
    x = 46,862,192,301.47/238,117.11
  6. Step 6: Final answer
    x = 196,803.13

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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.