Home / 112,941.29-169,079.07-98,928.70

Finding the Fourth Proportional to 112,941.29, 169,079.07 and 98,928.70

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Solution

The fourth proportional to 112,941.29, 169,079.07 and 98,928.70 is: 148,101.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,941.29 : 169,079.07 = 98,928.70 : x
  2. Step 2: Convert to fraction form
    112,941.29/169,079.07 = 98,928.70/x
  3. Step 3: Cross multiply
    112,941.29x = 169,079.07 × 98,928.70
  4. Step 4: Simplify right side
    112,941.29x = 16,726,772,592.31
  5. Step 5: Solve for x
    x = 16,726,772,592.31/112,941.29
  6. Step 6: Final answer
    x = 148,101.48

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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.