Home / 118,565.43-163,625.54-68,280.63

Finding the Fourth Proportional to 118,565.43, 163,625.54 and 68,280.63

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Solution

The fourth proportional to 118,565.43, 163,625.54 and 68,280.63 is: 94,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,565.43 : 163,625.54 = 68,280.63 : x
  2. Step 2: Convert to fraction form
    118,565.43/163,625.54 = 68,280.63/x
  3. Step 3: Cross multiply
    118,565.43x = 163,625.54 × 68,280.63
  4. Step 4: Simplify right side
    118,565.43x = 11,172,454,955.29
  5. Step 5: Solve for x
    x = 11,172,454,955.29/118,565.43
  6. Step 6: Final answer
    x = 94,230.29

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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.