Home / 242,279.72-334,347.78-134,854.28

Finding the Fourth Proportional to 242,279.72, 334,347.78 and 134,854.28

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Solution

The fourth proportional to 242,279.72, 334,347.78 and 134,854.28 is: 186,099.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,279.72 : 334,347.78 = 134,854.28 : x
  2. Step 2: Convert to fraction form
    242,279.72/334,347.78 = 134,854.28/x
  3. Step 3: Cross multiply
    242,279.72x = 334,347.78 × 134,854.28
  4. Step 4: Simplify right side
    242,279.72x = 45,088,229,141.50
  5. Step 5: Solve for x
    x = 45,088,229,141.50/242,279.72
  6. Step 6: Final answer
    x = 186,099.89

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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.