Home / 130,971.64-196,484.76-42,234.10

Finding the Fourth Proportional to 130,971.64, 196,484.76 and 42,234.10

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Solution

The fourth proportional to 130,971.64, 196,484.76 and 42,234.10 is: 63,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,971.64 : 196,484.76 = 42,234.10 : x
  2. Step 2: Convert to fraction form
    130,971.64/196,484.76 = 42,234.10/x
  3. Step 3: Cross multiply
    130,971.64x = 196,484.76 × 42,234.10
  4. Step 4: Simplify right side
    130,971.64x = 8,298,357,002.32
  5. Step 5: Solve for x
    x = 8,298,357,002.32/130,971.64
  6. Step 6: Final answer
    x = 63,359.95

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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.