Home / 130,464.13-180,040.50-73,875.50

Finding the Fourth Proportional to 130,464.13, 180,040.50 and 73,875.50

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Solution

The fourth proportional to 130,464.13, 180,040.50 and 73,875.50 is: 101,948.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,464.13 : 180,040.50 = 73,875.50 : x
  2. Step 2: Convert to fraction form
    130,464.13/180,040.50 = 73,875.50/x
  3. Step 3: Cross multiply
    130,464.13x = 180,040.50 × 73,875.50
  4. Step 4: Simplify right side
    130,464.13x = 13,300,581,957.75
  5. Step 5: Solve for x
    x = 13,300,581,957.75/130,464.13
  6. Step 6: Final answer
    x = 101,948.19

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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.