Home / 199,385.15-299,079.54-59,143.77

Finding the Fourth Proportional to 199,385.15, 299,079.54 and 59,143.77

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Solution

The fourth proportional to 199,385.15, 299,079.54 and 59,143.77 is: 88,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,385.15 : 299,079.54 = 59,143.77 : x
  2. Step 2: Convert to fraction form
    199,385.15/299,079.54 = 59,143.77/x
  3. Step 3: Cross multiply
    199,385.15x = 299,079.54 × 59,143.77
  4. Step 4: Simplify right side
    199,385.15x = 17,688,691,525.47
  5. Step 5: Solve for x
    x = 17,688,691,525.47/199,385.15
  6. Step 6: Final answer
    x = 88,716.20

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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.