Home / 122,275.11-168,661.98-88,333.47

Finding the Fourth Proportional to 122,275.11, 168,661.98 and 88,333.47

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Solution

The fourth proportional to 122,275.11, 168,661.98 and 88,333.47 is: 121,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,275.11 : 168,661.98 = 88,333.47 : x
  2. Step 2: Convert to fraction form
    122,275.11/168,661.98 = 88,333.47/x
  3. Step 3: Cross multiply
    122,275.11x = 168,661.98 × 88,333.47
  4. Step 4: Simplify right side
    122,275.11x = 14,898,497,950.47
  5. Step 5: Solve for x
    x = 14,898,497,950.47/122,275.11
  6. Step 6: Final answer
    x = 121,844.08

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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.