Home / 242,117.10-363,066.30-108,928.80

Finding the Fourth Proportional to 242,117.10, 363,066.30 and 108,928.80

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Solution

The fourth proportional to 242,117.10, 363,066.30 and 108,928.80 is: 163,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,117.10 : 363,066.30 = 108,928.80 : x
  2. Step 2: Convert to fraction form
    242,117.10/363,066.30 = 108,928.80/x
  3. Step 3: Cross multiply
    242,117.10x = 363,066.30 × 108,928.80
  4. Step 4: Simplify right side
    242,117.10x = 39,548,376,379.44
  5. Step 5: Solve for x
    x = 39,548,376,379.44/242,117.10
  6. Step 6: Final answer
    x = 163,344.00

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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.