Home / 175,479.12-242,140.68-98,999.42

Finding the Fourth Proportional to 175,479.12, 242,140.68 and 98,999.42

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Solution

The fourth proportional to 175,479.12, 242,140.68 and 98,999.42 is: 136,607.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,479.12 : 242,140.68 = 98,999.42 : x
  2. Step 2: Convert to fraction form
    175,479.12/242,140.68 = 98,999.42/x
  3. Step 3: Cross multiply
    175,479.12x = 242,140.68 × 98,999.42
  4. Step 4: Simplify right side
    175,479.12x = 23,971,785,667.70
  5. Step 5: Solve for x
    x = 23,971,785,667.70/175,479.12
  6. Step 6: Final answer
    x = 136,607.62

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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.