Home / 238,013.04-328,465.08-130,589.76

Finding the Fourth Proportional to 238,013.04, 328,465.08 and 130,589.76

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Solution

The fourth proportional to 238,013.04, 328,465.08 and 130,589.76 is: 180,217.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,013.04 : 328,465.08 = 130,589.76 : x
  2. Step 2: Convert to fraction form
    238,013.04/328,465.08 = 130,589.76/x
  3. Step 3: Cross multiply
    238,013.04x = 328,465.08 × 130,589.76
  4. Step 4: Simplify right side
    238,013.04x = 42,894,175,965.58
  5. Step 5: Solve for x
    x = 42,894,175,965.58/238,013.04
  6. Step 6: Final answer
    x = 180,217.76

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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.