Home / 140,886.18-194,423.22-77,228.10

Finding the Fourth Proportional to 140,886.18, 194,423.22 and 77,228.10

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Solution

The fourth proportional to 140,886.18, 194,423.22 and 77,228.10 is: 106,574.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,886.18 : 194,423.22 = 77,228.10 : x
  2. Step 2: Convert to fraction form
    140,886.18/194,423.22 = 77,228.10/x
  3. Step 3: Cross multiply
    140,886.18x = 194,423.22 × 77,228.10
  4. Step 4: Simplify right side
    140,886.18x = 15,014,935,876.48
  5. Step 5: Solve for x
    x = 15,014,935,876.48/140,886.18
  6. Step 6: Final answer
    x = 106,574.94

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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.