Home / 151,012.80-226,154.88-119,312.64

Finding the Fourth Proportional to 151,012.80, 226,154.88 and 119,312.64

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Solution

The fourth proportional to 151,012.80, 226,154.88 and 119,312.64 is: 178,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,012.80 : 226,154.88 = 119,312.64 : x
  2. Step 2: Convert to fraction form
    151,012.80/226,154.88 = 119,312.64/x
  3. Step 3: Cross multiply
    151,012.80x = 226,154.88 × 119,312.64
  4. Step 4: Simplify right side
    151,012.80x = 26,983,135,781.68
  5. Step 5: Solve for x
    x = 26,983,135,781.68/151,012.80
  6. Step 6: Final answer
    x = 178,681.12

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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.