Home / 140,693.04-194,156.44-77,034.88

Finding the Fourth Proportional to 140,693.04, 194,156.44 and 77,034.88

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Solution

The fourth proportional to 140,693.04, 194,156.44 and 77,034.88 is: 106,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,693.04 : 194,156.44 = 77,034.88 : x
  2. Step 2: Convert to fraction form
    140,693.04/194,156.44 = 77,034.88/x
  3. Step 3: Cross multiply
    140,693.04x = 194,156.44 × 77,034.88
  4. Step 4: Simplify right side
    140,693.04x = 14,956,818,056.63
  5. Step 5: Solve for x
    x = 14,956,818,056.63/140,693.04
  6. Step 6: Final answer
    x = 106,308.16

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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.