Home / 130,213.04-195,118.53-87,927.40

Finding the Fourth Proportional to 130,213.04, 195,118.53 and 87,927.40

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Solution

The fourth proportional to 130,213.04, 195,118.53 and 87,927.40 is: 131,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,213.04 : 195,118.53 = 87,927.40 : x
  2. Step 2: Convert to fraction form
    130,213.04/195,118.53 = 87,927.40/x
  3. Step 3: Cross multiply
    130,213.04x = 195,118.53 × 87,927.40
  4. Step 4: Simplify right side
    130,213.04x = 17,156,265,034.72
  5. Step 5: Solve for x
    x = 17,156,265,034.72/130,213.04
  6. Step 6: Final answer
    x = 131,755.35

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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.