Home / 133,857.12-199,692.15-124,312.08

Finding the Fourth Proportional to 133,857.12, 199,692.15 and 124,312.08

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Solution

The fourth proportional to 133,857.12, 199,692.15 and 124,312.08 is: 185,452.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,857.12 : 199,692.15 = 124,312.08 : x
  2. Step 2: Convert to fraction form
    133,857.12/199,692.15 = 124,312.08/x
  3. Step 3: Cross multiply
    133,857.12x = 199,692.15 × 124,312.08
  4. Step 4: Simplify right side
    133,857.12x = 24,824,146,526.17
  5. Step 5: Solve for x
    x = 24,824,146,526.17/133,857.12
  6. Step 6: Final answer
    x = 185,452.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.