Home / 238,843.23-358,154.15-89,043.32

Finding the Fourth Proportional to 238,843.23, 358,154.15 and 89,043.32

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Solution

The fourth proportional to 238,843.23, 358,154.15 and 89,043.32 is: 133,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,843.23 : 358,154.15 = 89,043.32 : x
  2. Step 2: Convert to fraction form
    238,843.23/358,154.15 = 89,043.32/x
  3. Step 3: Cross multiply
    238,843.23x = 358,154.15 × 89,043.32
  4. Step 4: Simplify right side
    238,843.23x = 31,891,232,351.79
  5. Step 5: Solve for x
    x = 31,891,232,351.79/238,843.23
  6. Step 6: Final answer
    x = 133,523.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.