Home / 125,326.24-188,001.26-45,384.40

Finding the Fourth Proportional to 125,326.24, 188,001.26 and 45,384.40

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Solution

The fourth proportional to 125,326.24, 188,001.26 and 45,384.40 is: 68,080.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,326.24 : 188,001.26 = 45,384.40 : x
  2. Step 2: Convert to fraction form
    125,326.24/188,001.26 = 45,384.40/x
  3. Step 3: Cross multiply
    125,326.24x = 188,001.26 × 45,384.40
  4. Step 4: Simplify right side
    125,326.24x = 8,532,324,384.34
  5. Step 5: Solve for x
    x = 8,532,324,384.34/125,326.24
  6. Step 6: Final answer
    x = 68,080.91

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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.