Home / 153,895.54-212,464.18-117,309.76

Finding the Fourth Proportional to 153,895.54, 212,464.18 and 117,309.76

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Solution

The fourth proportional to 153,895.54, 212,464.18 and 117,309.76 is: 161,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,895.54 : 212,464.18 = 117,309.76 : x
  2. Step 2: Convert to fraction form
    153,895.54/212,464.18 = 117,309.76/x
  3. Step 3: Cross multiply
    153,895.54x = 212,464.18 × 117,309.76
  4. Step 4: Simplify right side
    153,895.54x = 24,924,121,964.40
  5. Step 5: Solve for x
    x = 24,924,121,964.40/153,895.54
  6. Step 6: Final answer
    x = 161,954.80

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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.