Home / 153,895.53-212,464.19-117,309.77

Finding the Fourth Proportional to 153,895.53, 212,464.19 and 117,309.77

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Solution

The fourth proportional to 153,895.53, 212,464.19 and 117,309.77 is: 161,954.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,895.53 : 212,464.19 = 117,309.77 : x
  2. Step 2: Convert to fraction form
    153,895.53/212,464.19 = 117,309.77/x
  3. Step 3: Cross multiply
    153,895.53x = 212,464.19 × 117,309.77
  4. Step 4: Simplify right side
    153,895.53x = 24,924,123,613.27
  5. Step 5: Solve for x
    x = 24,924,123,613.27/153,895.53
  6. Step 6: Final answer
    x = 161,954.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.