Home / 140,737.66-194,186.84-83,348.35

Finding the Fourth Proportional to 140,737.66, 194,186.84 and 83,348.35

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Solution

The fourth proportional to 140,737.66, 194,186.84 and 83,348.35 is: 115,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,737.66 : 194,186.84 = 83,348.35 : x
  2. Step 2: Convert to fraction form
    140,737.66/194,186.84 = 83,348.35/x
  3. Step 3: Cross multiply
    140,737.66x = 194,186.84 × 83,348.35
  4. Step 4: Simplify right side
    140,737.66x = 16,185,151,803.51
  5. Step 5: Solve for x
    x = 16,185,151,803.51/140,737.66
  6. Step 6: Final answer
    x = 115,002.28

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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.