Home / 185,948.48-278,945.76-61,371.20

Finding the Fourth Proportional to 185,948.48, 278,945.76 and 61,371.20

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Solution

The fourth proportional to 185,948.48, 278,945.76 and 61,371.20 is: 92,064.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,948.48 : 278,945.76 = 61,371.20 : x
  2. Step 2: Convert to fraction form
    185,948.48/278,945.76 = 61,371.20/x
  3. Step 3: Cross multiply
    185,948.48x = 278,945.76 × 61,371.20
  4. Step 4: Simplify right side
    185,948.48x = 17,119,236,026.11
  5. Step 5: Solve for x
    x = 17,119,236,026.11/185,948.48
  6. Step 6: Final answer
    x = 92,064.40

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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.