Home / 130,475.12-195,722.28-40,506.04

Finding the Fourth Proportional to 130,475.12, 195,722.28 and 40,506.04

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Solution

The fourth proportional to 130,475.12, 195,722.28 and 40,506.04 is: 60,762.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,475.12 : 195,722.28 = 40,506.04 : x
  2. Step 2: Convert to fraction form
    130,475.12/195,722.28 = 40,506.04/x
  3. Step 3: Cross multiply
    130,475.12x = 195,722.28 × 40,506.04
  4. Step 4: Simplify right side
    130,475.12x = 7,927,934,502.57
  5. Step 5: Solve for x
    x = 7,927,934,502.57/130,475.12
  6. Step 6: Final answer
    x = 60,762.04

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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.