Home / 147,494.16-203,542.08-80,426.16

Finding the Fourth Proportional to 147,494.16, 203,542.08 and 80,426.16

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Solution

The fourth proportional to 147,494.16, 203,542.08 and 80,426.16 is: 110,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,494.16 : 203,542.08 = 80,426.16 : x
  2. Step 2: Convert to fraction form
    147,494.16/203,542.08 = 80,426.16/x
  3. Step 3: Cross multiply
    147,494.16x = 203,542.08 × 80,426.16
  4. Step 4: Simplify right side
    147,494.16x = 16,370,107,892.81
  5. Step 5: Solve for x
    x = 16,370,107,892.81/147,494.16
  6. Step 6: Final answer
    x = 110,988.18

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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.