Home / 125,426.13-188,090.18-45,445.11

Finding the Fourth Proportional to 125,426.13, 188,090.18 and 45,445.11

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Solution

The fourth proportional to 125,426.13, 188,090.18 and 45,445.11 is: 68,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,426.13 : 188,090.18 = 45,445.11 : x
  2. Step 2: Convert to fraction form
    125,426.13/188,090.18 = 45,445.11/x
  3. Step 3: Cross multiply
    125,426.13x = 188,090.18 × 45,445.11
  4. Step 4: Simplify right side
    125,426.13x = 8,547,778,692.79
  5. Step 5: Solve for x
    x = 8,547,778,692.79/125,426.13
  6. Step 6: Final answer
    x = 68,149.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.