Home / 229,642.24-316,959.60-144,875.20

Finding the Fourth Proportional to 229,642.24, 316,959.60 and 144,875.20

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Solution

The fourth proportional to 229,642.24, 316,959.60 and 144,875.20 is: 199,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,642.24 : 316,959.60 = 144,875.20 : x
  2. Step 2: Convert to fraction form
    229,642.24/316,959.60 = 144,875.20/x
  3. Step 3: Cross multiply
    229,642.24x = 316,959.60 × 144,875.20
  4. Step 4: Simplify right side
    229,642.24x = 45,919,585,441.92
  5. Step 5: Solve for x
    x = 45,919,585,441.92/229,642.24
  6. Step 6: Final answer
    x = 199,961.41

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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.