Home / 238,417.88-329,039.52-136,423.04

Finding the Fourth Proportional to 238,417.88, 329,039.52 and 136,423.04

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Solution

The fourth proportional to 238,417.88, 329,039.52 and 136,423.04 is: 188,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,417.88 : 329,039.52 = 136,423.04 : x
  2. Step 2: Convert to fraction form
    238,417.88/329,039.52 = 136,423.04/x
  3. Step 3: Cross multiply
    238,417.88x = 329,039.52 × 136,423.04
  4. Step 4: Simplify right side
    238,417.88x = 44,888,571,598.54
  5. Step 5: Solve for x
    x = 44,888,571,598.54/238,417.88
  6. Step 6: Final answer
    x = 188,276.87

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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.