Home / 94,778.31-141,552.93-85,875.84

Finding the Fourth Proportional to 94,778.31, 141,552.93 and 85,875.84

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Solution

The fourth proportional to 94,778.31, 141,552.93 and 85,875.84 is: 128,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,778.31 : 141,552.93 = 85,875.84 : x
  2. Step 2: Convert to fraction form
    94,778.31/141,552.93 = 85,875.84/x
  3. Step 3: Cross multiply
    94,778.31x = 141,552.93 × 85,875.84
  4. Step 4: Simplify right side
    94,778.31x = 12,155,976,768.21
  5. Step 5: Solve for x
    x = 12,155,976,768.21/94,778.31
  6. Step 6: Final answer
    x = 128,256.95

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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.