Home / 160,680.96-240,707.76-76,321.08

Finding the Fourth Proportional to 160,680.96, 240,707.76 and 76,321.08

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Solution

The fourth proportional to 160,680.96, 240,707.76 and 76,321.08 is: 114,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,680.96 : 240,707.76 = 76,321.08 : x
  2. Step 2: Convert to fraction form
    160,680.96/240,707.76 = 76,321.08/x
  3. Step 3: Cross multiply
    160,680.96x = 240,707.76 × 76,321.08
  4. Step 4: Simplify right side
    160,680.96x = 18,371,076,207.58
  5. Step 5: Solve for x
    x = 18,371,076,207.58/160,680.96
  6. Step 6: Final answer
    x = 114,332.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.