Home / 140,304.31-193,624.19-76,646.21

Finding the Fourth Proportional to 140,304.31, 193,624.19 and 76,646.21

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Solution

The fourth proportional to 140,304.31, 193,624.19 and 76,646.21 is: 105,774.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,304.31 : 193,624.19 = 76,646.21 : x
  2. Step 2: Convert to fraction form
    140,304.31/193,624.19 = 76,646.21/x
  3. Step 3: Cross multiply
    140,304.31x = 193,624.19 × 76,646.21
  4. Step 4: Simplify right side
    140,304.31x = 14,840,559,263.89
  5. Step 5: Solve for x
    x = 14,840,559,263.89/140,304.31
  6. Step 6: Final answer
    x = 105,774.08

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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.