Home / 125,129.10-172,756.55-96,394.66

Finding the Fourth Proportional to 125,129.10, 172,756.55 and 96,394.66

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Solution

The fourth proportional to 125,129.10, 172,756.55 and 96,394.66 is: 133,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,129.10 : 172,756.55 = 96,394.66 : x
  2. Step 2: Convert to fraction form
    125,129.10/172,756.55 = 96,394.66/x
  3. Step 3: Cross multiply
    125,129.10x = 172,756.55 × 96,394.66
  4. Step 4: Simplify right side
    125,129.10x = 16,652,808,166.90
  5. Step 5: Solve for x
    x = 16,652,808,166.90/125,129.10
  6. Step 6: Final answer
    x = 133,085.01

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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.