Home / 123,377.64-185,070.30-53,208.04

Finding the Fourth Proportional to 123,377.64, 185,070.30 and 53,208.04

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Solution

The fourth proportional to 123,377.64, 185,070.30 and 53,208.04 is: 79,813.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,377.64 : 185,070.30 = 53,208.04 : x
  2. Step 2: Convert to fraction form
    123,377.64/185,070.30 = 53,208.04/x
  3. Step 3: Cross multiply
    123,377.64x = 185,070.30 × 53,208.04
  4. Step 4: Simplify right side
    123,377.64x = 9,847,227,925.21
  5. Step 5: Solve for x
    x = 9,847,227,925.21/123,377.64
  6. Step 6: Final answer
    x = 79,813.72

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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.