Home / 140,094.40-193,320.24-76,430.80

Finding the Fourth Proportional to 140,094.40, 193,320.24 and 76,430.80

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Solution

The fourth proportional to 140,094.40, 193,320.24 and 76,430.80 is: 105,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,094.40 : 193,320.24 = 76,430.80 : x
  2. Step 2: Convert to fraction form
    140,094.40/193,320.24 = 76,430.80/x
  3. Step 3: Cross multiply
    140,094.40x = 193,320.24 × 76,430.80
  4. Step 4: Simplify right side
    140,094.40x = 14,775,620,599.39
  5. Step 5: Solve for x
    x = 14,775,620,599.39/140,094.40
  6. Step 6: Final answer
    x = 105,469.03

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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.