Home / 140,304.18-193,624.02-76,646.08

Finding the Fourth Proportional to 140,304.18, 193,624.02 and 76,646.08

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Solution

The fourth proportional to 140,304.18, 193,624.02 and 76,646.08 is: 105,773.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,304.18 : 193,624.02 = 76,646.08 : x
  2. Step 2: Convert to fraction form
    140,304.18/193,624.02 = 76,646.08/x
  3. Step 3: Cross multiply
    140,304.18x = 193,624.02 × 76,646.08
  4. Step 4: Simplify right side
    140,304.18x = 14,840,522,126.84
  5. Step 5: Solve for x
    x = 14,840,522,126.84/140,304.18
  6. Step 6: Final answer
    x = 105,773.91

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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.