Home / 160,439.64-239,684.39-103,818.48

Finding the Fourth Proportional to 160,439.64, 239,684.39 and 103,818.48

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Solution

The fourth proportional to 160,439.64, 239,684.39 and 103,818.48 is: 155,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,439.64 : 239,684.39 = 103,818.48 : x
  2. Step 2: Convert to fraction form
    160,439.64/239,684.39 = 103,818.48/x
  3. Step 3: Cross multiply
    160,439.64x = 239,684.39 × 103,818.48
  4. Step 4: Simplify right side
    160,439.64x = 24,883,668,530.43
  5. Step 5: Solve for x
    x = 24,883,668,530.43/160,439.64
  6. Step 6: Final answer
    x = 155,096.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.