Home / 130,211.54-195,116.28-87,925.90

Finding the Fourth Proportional to 130,211.54, 195,116.28 and 87,925.90

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Solution

The fourth proportional to 130,211.54, 195,116.28 and 87,925.90 is: 131,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,211.54 : 195,116.28 = 87,925.90 : x
  2. Step 2: Convert to fraction form
    130,211.54/195,116.28 = 87,925.90/x
  3. Step 3: Cross multiply
    130,211.54x = 195,116.28 × 87,925.90
  4. Step 4: Simplify right side
    130,211.54x = 17,155,774,523.65
  5. Step 5: Solve for x
    x = 17,155,774,523.65/130,211.54
  6. Step 6: Final answer
    x = 131,753.10

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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.