Home / 175,987.42-242,861.16-99,521.53

Finding the Fourth Proportional to 175,987.42, 242,861.16 and 99,521.53

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Solution

The fourth proportional to 175,987.42, 242,861.16 and 99,521.53 is: 137,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,987.42 : 242,861.16 = 99,521.53 : x
  2. Step 2: Convert to fraction form
    175,987.42/242,861.16 = 99,521.53/x
  3. Step 3: Cross multiply
    175,987.42x = 242,861.16 × 99,521.53
  4. Step 4: Simplify right side
    175,987.42x = 24,169,914,220.77
  5. Step 5: Solve for x
    x = 24,169,914,220.77/175,987.42
  6. Step 6: Final answer
    x = 137,338.87

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1.5x scale

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.