Home / 106,778.28-147,346.80-59,025.18

Finding the Fourth Proportional to 106,778.28, 147,346.80 and 59,025.18

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Solution

The fourth proportional to 106,778.28, 147,346.80 and 59,025.18 is: 81,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,778.28 : 147,346.80 = 59,025.18 : x
  2. Step 2: Convert to fraction form
    106,778.28/147,346.80 = 59,025.18/x
  3. Step 3: Cross multiply
    106,778.28x = 147,346.80 × 59,025.18
  4. Step 4: Simplify right side
    106,778.28x = 8,697,171,392.42
  5. Step 5: Solve for x
    x = 8,697,171,392.42/106,778.28
  6. Step 6: Final answer
    x = 81,450.75

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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.