Home / 124,663.45-186,995.18-31,169.20

Finding the Fourth Proportional to 124,663.45, 186,995.18 and 31,169.20

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Solution

The fourth proportional to 124,663.45, 186,995.18 and 31,169.20 is: 46,753.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,663.45 : 186,995.18 = 31,169.20 : x
  2. Step 2: Convert to fraction form
    124,663.45/186,995.18 = 31,169.20/x
  3. Step 3: Cross multiply
    124,663.45x = 186,995.18 × 31,169.20
  4. Step 4: Simplify right side
    124,663.45x = 5,828,490,164.46
  5. Step 5: Solve for x
    x = 5,828,490,164.46/124,663.45
  6. Step 6: Final answer
    x = 46,753.80

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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.