Home / 140,669.76-194,134.59-92,840.07

Finding the Fourth Proportional to 140,669.76, 194,134.59 and 92,840.07

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Solution

The fourth proportional to 140,669.76, 194,134.59 and 92,840.07 is: 128,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,669.76 : 194,134.59 = 92,840.07 : x
  2. Step 2: Convert to fraction form
    140,669.76/194,134.59 = 92,840.07/x
  3. Step 3: Cross multiply
    140,669.76x = 194,134.59 × 92,840.07
  4. Step 4: Simplify right side
    140,669.76x = 18,023,468,925.02
  5. Step 5: Solve for x
    x = 18,023,468,925.02/140,669.76
  6. Step 6: Final answer
    x = 128,126.11

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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.