Home / 130,459.32-195,625.68-63,821.40

Finding the Fourth Proportional to 130,459.32, 195,625.68 and 63,821.40

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Solution

The fourth proportional to 130,459.32, 195,625.68 and 63,821.40 is: 95,701.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,459.32 : 195,625.68 = 63,821.40 : x
  2. Step 2: Convert to fraction form
    130,459.32/195,625.68 = 63,821.40/x
  3. Step 3: Cross multiply
    130,459.32x = 195,625.68 × 63,821.40
  4. Step 4: Simplify right side
    130,459.32x = 12,485,104,773.55
  5. Step 5: Solve for x
    x = 12,485,104,773.55/130,459.32
  6. Step 6: Final answer
    x = 95,701.13

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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.