Home / 130,815.33-180,522.85-73,455.10

Finding the Fourth Proportional to 130,815.33, 180,522.85 and 73,455.10

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Solution

The fourth proportional to 130,815.33, 180,522.85 and 73,455.10 is: 101,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,815.33 : 180,522.85 = 73,455.10 : x
  2. Step 2: Convert to fraction form
    130,815.33/180,522.85 = 73,455.10/x
  3. Step 3: Cross multiply
    130,815.33x = 180,522.85 × 73,455.10
  4. Step 4: Simplify right side
    130,815.33x = 13,260,323,999.04
  5. Step 5: Solve for x
    x = 13,260,323,999.04/130,815.33
  6. Step 6: Final answer
    x = 101,366.74

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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.