Home / 130,873.04-196,328.13-42,105.90

Finding the Fourth Proportional to 130,873.04, 196,328.13 and 42,105.90

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Solution

The fourth proportional to 130,873.04, 196,328.13 and 42,105.90 is: 63,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,873.04 : 196,328.13 = 42,105.90 : x
  2. Step 2: Convert to fraction form
    130,873.04/196,328.13 = 42,105.90/x
  3. Step 3: Cross multiply
    130,873.04x = 196,328.13 × 42,105.90
  4. Step 4: Simplify right side
    130,873.04x = 8,266,572,753.55
  5. Step 5: Solve for x
    x = 8,266,572,753.55/130,873.04
  6. Step 6: Final answer
    x = 63,164.82

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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.