Home / 124,487.40-185,937.32-112,622.88

Finding the Fourth Proportional to 124,487.40, 185,937.32 and 112,622.88

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Solution

The fourth proportional to 124,487.40, 185,937.32 and 112,622.88 is: 168,216.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,487.40 : 185,937.32 = 112,622.88 : x
  2. Step 2: Convert to fraction form
    124,487.40/185,937.32 = 112,622.88/x
  3. Step 3: Cross multiply
    124,487.40x = 185,937.32 × 112,622.88
  4. Step 4: Simplify right side
    124,487.40x = 20,940,796,477.88
  5. Step 5: Solve for x
    x = 20,940,796,477.88/124,487.40
  6. Step 6: Final answer
    x = 168,216.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.