Home / 175,870.20-242,686.49-99,395.85

Finding the Fourth Proportional to 175,870.20, 242,686.49 and 99,395.85

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Solution

The fourth proportional to 175,870.20, 242,686.49 and 99,395.85 is: 137,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,870.20 : 242,686.49 = 99,395.85 : x
  2. Step 2: Convert to fraction form
    175,870.20/242,686.49 = 99,395.85/x
  3. Step 3: Cross multiply
    175,870.20x = 242,686.49 × 99,395.85
  4. Step 4: Simplify right side
    175,870.20x = 24,122,029,957.07
  5. Step 5: Solve for x
    x = 24,122,029,957.07/175,870.20
  6. Step 6: Final answer
    x = 137,158.14

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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.