Home / 140,280.76-193,580.18-79,851.22

Finding the Fourth Proportional to 140,280.76, 193,580.18 and 79,851.22

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Solution

The fourth proportional to 140,280.76, 193,580.18 and 79,851.22 is: 110,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,280.76 : 193,580.18 = 79,851.22 : x
  2. Step 2: Convert to fraction form
    140,280.76/193,580.18 = 79,851.22/x
  3. Step 3: Cross multiply
    140,280.76x = 193,580.18 × 79,851.22
  4. Step 4: Simplify right side
    140,280.76x = 15,457,612,957.06
  5. Step 5: Solve for x
    x = 15,457,612,957.06/140,280.76
  6. Step 6: Final answer
    x = 110,190.54

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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.