Home / 175,986.16-242,837.68-99,515.68

Finding the Fourth Proportional to 175,986.16, 242,837.68 and 99,515.68

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Solution

The fourth proportional to 175,986.16, 242,837.68 and 99,515.68 is: 137,318.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,986.16 : 242,837.68 = 99,515.68 : x
  2. Step 2: Convert to fraction form
    175,986.16/242,837.68 = 99,515.68/x
  3. Step 3: Cross multiply
    175,986.16x = 242,837.68 × 99,515.68
  4. Step 4: Simplify right side
    175,986.16x = 24,166,156,854.82
  5. Step 5: Solve for x
    x = 24,166,156,854.82/175,986.16
  6. Step 6: Final answer
    x = 137,318.51

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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.