Home / 140,475.65-193,840.49-83,116.73

Finding the Fourth Proportional to 140,475.65, 193,840.49 and 83,116.73

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Solution

The fourth proportional to 140,475.65, 193,840.49 and 83,116.73 is: 114,691.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,475.65 : 193,840.49 = 83,116.73 : x
  2. Step 2: Convert to fraction form
    140,475.65/193,840.49 = 83,116.73/x
  3. Step 3: Cross multiply
    140,475.65x = 193,840.49 × 83,116.73
  4. Step 4: Simplify right side
    140,475.65x = 16,111,387,254.81
  5. Step 5: Solve for x
    x = 16,111,387,254.81/140,475.65
  6. Step 6: Final answer
    x = 114,691.67

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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.