Home / 140,689.04-194,155.44-77,026.76

Finding the Fourth Proportional to 140,689.04, 194,155.44 and 77,026.76

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Solution

The fourth proportional to 140,689.04, 194,155.44 and 77,026.76 is: 106,299.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,689.04 : 194,155.44 = 77,026.76 : x
  2. Step 2: Convert to fraction form
    140,689.04/194,155.44 = 77,026.76/x
  3. Step 3: Cross multiply
    140,689.04x = 194,155.44 × 77,026.76
  4. Step 4: Simplify right side
    140,689.04x = 14,955,164,479.57
  5. Step 5: Solve for x
    x = 14,955,164,479.57/140,689.04
  6. Step 6: Final answer
    x = 106,299.43

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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.