Home / 122,683.32-169,314.06-68,981.40

Finding the Fourth Proportional to 122,683.32, 169,314.06 and 68,981.40

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Solution

The fourth proportional to 122,683.32, 169,314.06 and 68,981.40 is: 95,200.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,683.32 : 169,314.06 = 68,981.40 : x
  2. Step 2: Convert to fraction form
    122,683.32/169,314.06 = 68,981.40/x
  3. Step 3: Cross multiply
    122,683.32x = 169,314.06 × 68,981.40
  4. Step 4: Simplify right side
    122,683.32x = 11,679,520,898.48
  5. Step 5: Solve for x
    x = 11,679,520,898.48/122,683.32
  6. Step 6: Final answer
    x = 95,200.56

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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.