Home / 134,639.25-185,801.10-73,385.28

Finding the Fourth Proportional to 134,639.25, 185,801.10 and 73,385.28

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Solution

The fourth proportional to 134,639.25, 185,801.10 and 73,385.28 is: 101,271.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,639.25 : 185,801.10 = 73,385.28 : x
  2. Step 2: Convert to fraction form
    134,639.25/185,801.10 = 73,385.28/x
  3. Step 3: Cross multiply
    134,639.25x = 185,801.10 × 73,385.28
  4. Step 4: Simplify right side
    134,639.25x = 13,635,065,747.81
  5. Step 5: Solve for x
    x = 13,635,065,747.81/134,639.25
  6. Step 6: Final answer
    x = 101,271.11

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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.