Home / 282,582.74-389,876.22-173,572.76

Finding the Fourth Proportional to 282,582.74, 389,876.22 and 173,572.76

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Solution

The fourth proportional to 282,582.74, 389,876.22 and 173,572.76 is: 239,476.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,582.74 : 389,876.22 = 173,572.76 : x
  2. Step 2: Convert to fraction form
    282,582.74/389,876.22 = 173,572.76/x
  3. Step 3: Cross multiply
    282,582.74x = 389,876.22 × 173,572.76
  4. Step 4: Simplify right side
    282,582.74x = 67,671,889,614.39
  5. Step 5: Solve for x
    x = 67,671,889,614.39/282,582.74
  6. Step 6: Final answer
    x = 239,476.38

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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.