Home / 260,349.12-359,297.28-147,182.40

Finding the Fourth Proportional to 260,349.12, 359,297.28 and 147,182.40

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Solution

The fourth proportional to 260,349.12, 359,297.28 and 147,182.40 is: 203,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,349.12 : 359,297.28 = 147,182.40 : x
  2. Step 2: Convert to fraction form
    260,349.12/359,297.28 = 147,182.40/x
  3. Step 3: Cross multiply
    260,349.12x = 359,297.28 × 147,182.40
  4. Step 4: Simplify right side
    260,349.12x = 52,882,235,983.87
  5. Step 5: Solve for x
    x = 52,882,235,983.87/260,349.12
  6. Step 6: Final answer
    x = 203,120.47

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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.