Home / 175,580.74-242,301.13-99,115.93

Finding the Fourth Proportional to 175,580.74, 242,301.13 and 99,115.93

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Solution

The fourth proportional to 175,580.74, 242,301.13 and 99,115.93 is: 136,779.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,580.74 : 242,301.13 = 99,115.93 : x
  2. Step 2: Convert to fraction form
    175,580.74/242,301.13 = 99,115.93/x
  3. Step 3: Cross multiply
    175,580.74x = 242,301.13 × 99,115.93
  4. Step 4: Simplify right side
    175,580.74x = 24,015,901,840.00
  5. Step 5: Solve for x
    x = 24,015,901,840.00/175,580.74
  6. Step 6: Final answer
    x = 136,779.82

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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.