Home / 205,726.57-283,915.38-115,088.63

Finding the Fourth Proportional to 205,726.57, 283,915.38 and 115,088.63

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Solution

The fourth proportional to 205,726.57, 283,915.38 and 115,088.63 is: 158,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,726.57 : 283,915.38 = 115,088.63 : x
  2. Step 2: Convert to fraction form
    205,726.57/283,915.38 = 115,088.63/x
  3. Step 3: Cross multiply
    205,726.57x = 283,915.38 × 115,088.63
  4. Step 4: Simplify right side
    205,726.57x = 32,675,432,081.79
  5. Step 5: Solve for x
    x = 32,675,432,081.79/205,726.57
  6. Step 6: Final answer
    x = 158,829.42

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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.