Home / 147,336.18-203,323.95-80,268.18

Finding the Fourth Proportional to 147,336.18, 203,323.95 and 80,268.18

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Solution

The fourth proportional to 147,336.18, 203,323.95 and 80,268.18 is: 110,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,336.18 : 203,323.95 = 80,268.18 : x
  2. Step 2: Convert to fraction form
    147,336.18/203,323.95 = 80,268.18/x
  3. Step 3: Cross multiply
    147,336.18x = 203,323.95 × 80,268.18
  4. Step 4: Simplify right side
    147,336.18x = 16,320,443,416.91
  5. Step 5: Solve for x
    x = 16,320,443,416.91/147,336.18
  6. Step 6: Final answer
    x = 110,770.10

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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.