Home / 238,654.08-358,143.93-126,329.76

Finding the Fourth Proportional to 238,654.08, 358,143.93 and 126,329.76

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Solution

The fourth proportional to 238,654.08, 358,143.93 and 126,329.76 is: 189,580.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,654.08 : 358,143.93 = 126,329.76 : x
  2. Step 2: Convert to fraction form
    238,654.08/358,143.93 = 126,329.76/x
  3. Step 3: Cross multiply
    238,654.08x = 358,143.93 × 126,329.76
  4. Step 4: Simplify right side
    238,654.08x = 45,244,236,722.36
  5. Step 5: Solve for x
    x = 45,244,236,722.36/238,654.08
  6. Step 6: Final answer
    x = 189,580.82

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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.