Home / 229,938.85-317,044.20-157,376.74

Finding the Fourth Proportional to 229,938.85, 317,044.20 and 157,376.74

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Solution

The fourth proportional to 229,938.85, 317,044.20 and 157,376.74 is: 216,994.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,938.85 : 317,044.20 = 157,376.74 : x
  2. Step 2: Convert to fraction form
    229,938.85/317,044.20 = 157,376.74/x
  3. Step 3: Cross multiply
    229,938.85x = 317,044.20 × 157,376.74
  4. Step 4: Simplify right side
    229,938.85x = 49,895,382,631.91
  5. Step 5: Solve for x
    x = 49,895,382,631.91/229,938.85
  6. Step 6: Final answer
    x = 216,994.14

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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.