Home / 113,929.82-157,267.44-101,972.40

Finding the Fourth Proportional to 113,929.82, 157,267.44 and 101,972.40

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Solution

The fourth proportional to 113,929.82, 157,267.44 and 101,972.40 is: 140,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,929.82 : 157,267.44 = 101,972.40 : x
  2. Step 2: Convert to fraction form
    113,929.82/157,267.44 = 101,972.40/x
  3. Step 3: Cross multiply
    113,929.82x = 157,267.44 × 101,972.40
  4. Step 4: Simplify right side
    113,929.82x = 16,036,937,002.46
  5. Step 5: Solve for x
    x = 16,036,937,002.46/113,929.82
  6. Step 6: Final answer
    x = 140,761.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.