Home / 242,298.40-363,145.20-124,016.80

Finding the Fourth Proportional to 242,298.40, 363,145.20 and 124,016.80

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Solution

The fourth proportional to 242,298.40, 363,145.20 and 124,016.80 is: 185,870.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,298.40 : 363,145.20 = 124,016.80 : x
  2. Step 2: Convert to fraction form
    242,298.40/363,145.20 = 124,016.80/x
  3. Step 3: Cross multiply
    242,298.40x = 363,145.20 × 124,016.80
  4. Step 4: Simplify right side
    242,298.40x = 45,036,105,639.36
  5. Step 5: Solve for x
    x = 45,036,105,639.36/242,298.40
  6. Step 6: Final answer
    x = 185,870.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.