Home / 158,278.11-237,435.92-99,118.68

Finding the Fourth Proportional to 158,278.11, 237,435.92 and 99,118.68

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Solution

The fourth proportional to 158,278.11, 237,435.92 and 99,118.68 is: 148,689.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,278.11 : 237,435.92 = 99,118.68 : x
  2. Step 2: Convert to fraction form
    158,278.11/237,435.92 = 99,118.68/x
  3. Step 3: Cross multiply
    158,278.11x = 237,435.92 × 99,118.68
  4. Step 4: Simplify right side
    158,278.11x = 23,534,334,974.99
  5. Step 5: Solve for x
    x = 23,534,334,974.99/158,278.11
  6. Step 6: Final answer
    x = 148,689.76

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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.