Home / 113,566.49-156,721.76-65,847.52

Finding the Fourth Proportional to 113,566.49, 156,721.76 and 65,847.52

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Solution

The fourth proportional to 113,566.49, 156,721.76 and 65,847.52 is: 90,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,566.49 : 156,721.76 = 65,847.52 : x
  2. Step 2: Convert to fraction form
    113,566.49/156,721.76 = 65,847.52/x
  3. Step 3: Cross multiply
    113,566.49x = 156,721.76 × 65,847.52
  4. Step 4: Simplify right side
    113,566.49x = 10,319,738,113.19
  5. Step 5: Solve for x
    x = 10,319,738,113.19/113,566.49
  6. Step 6: Final answer
    x = 90,869.57

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1.5x scale

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.