Home / 140,119.60-193,369.71-76,460.89

Finding the Fourth Proportional to 140,119.60, 193,369.71 and 76,460.89

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Solution

The fourth proportional to 140,119.60, 193,369.71 and 76,460.89 is: 105,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,119.60 : 193,369.71 = 76,460.89 : x
  2. Step 2: Convert to fraction form
    140,119.60/193,369.71 = 76,460.89/x
  3. Step 3: Cross multiply
    140,119.60x = 193,369.71 × 76,460.89
  4. Step 4: Simplify right side
    140,119.60x = 14,785,220,125.64
  5. Step 5: Solve for x
    x = 14,785,220,125.64/140,119.60
  6. Step 6: Final answer
    x = 105,518.57

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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.