Home / 140,295.18-193,575.63-83,695.50

Finding the Fourth Proportional to 140,295.18, 193,575.63 and 83,695.50

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Solution

The fourth proportional to 140,295.18, 193,575.63 and 83,695.50 is: 115,480.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,295.18 : 193,575.63 = 83,695.50 : x
  2. Step 2: Convert to fraction form
    140,295.18/193,575.63 = 83,695.50/x
  3. Step 3: Cross multiply
    140,295.18x = 193,575.63 × 83,695.50
  4. Step 4: Simplify right side
    140,295.18x = 16,201,409,140.67
  5. Step 5: Solve for x
    x = 16,201,409,140.67/140,295.18
  6. Step 6: Final answer
    x = 115,480.87

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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.