Home / 140,341.91-193,671.54-76,680.16

Finding the Fourth Proportional to 140,341.91, 193,671.54 and 76,680.16

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Solution

The fourth proportional to 140,341.91, 193,671.54 and 76,680.16 is: 105,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,341.91 : 193,671.54 = 76,680.16 : x
  2. Step 2: Convert to fraction form
    140,341.91/193,671.54 = 76,680.16/x
  3. Step 3: Cross multiply
    140,341.91x = 193,671.54 × 76,680.16
  4. Step 4: Simplify right side
    140,341.91x = 14,850,764,190.47
  5. Step 5: Solve for x
    x = 14,850,764,190.47/140,341.91
  6. Step 6: Final answer
    x = 105,818.46

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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.