Home / 250,885.28-346,222.80-137,708.96

Finding the Fourth Proportional to 250,885.28, 346,222.80 and 137,708.96

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Solution

The fourth proportional to 250,885.28, 346,222.80 and 137,708.96 is: 190,038.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,885.28 : 346,222.80 = 137,708.96 : x
  2. Step 2: Convert to fraction form
    250,885.28/346,222.80 = 137,708.96/x
  3. Step 3: Cross multiply
    250,885.28x = 346,222.80 × 137,708.96
  4. Step 4: Simplify right side
    250,885.28x = 47,677,981,716.29
  5. Step 5: Solve for x
    x = 47,677,981,716.29/250,885.28
  6. Step 6: Final answer
    x = 190,038.98

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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.