Home / 130,701.29-180,385.73-73,344.00

Finding the Fourth Proportional to 130,701.29, 180,385.73 and 73,344.00

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Solution

The fourth proportional to 130,701.29, 180,385.73 and 73,344.00 is: 101,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,701.29 : 180,385.73 = 73,344.00 : x
  2. Step 2: Convert to fraction form
    130,701.29/180,385.73 = 73,344.00/x
  3. Step 3: Cross multiply
    130,701.29x = 180,385.73 × 73,344.00
  4. Step 4: Simplify right side
    130,701.29x = 13,230,209,712.47
  5. Step 5: Solve for x
    x = 13,230,209,712.47/130,701.29
  6. Step 6: Final answer
    x = 101,224.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.