Home / 140,304.96-193,613.61-76,630.45

Finding the Fourth Proportional to 140,304.96, 193,613.61 and 76,630.45

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Solution

The fourth proportional to 140,304.96, 193,613.61 and 76,630.45 is: 105,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,304.96 : 193,613.61 = 76,630.45 : x
  2. Step 2: Convert to fraction form
    140,304.96/193,613.61 = 76,630.45/x
  3. Step 3: Cross multiply
    140,304.96x = 193,613.61 × 76,630.45
  4. Step 4: Simplify right side
    140,304.96x = 14,836,698,060.42
  5. Step 5: Solve for x
    x = 14,836,698,060.42/140,304.96
  6. Step 6: Final answer
    x = 105,746.07

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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.