Home / 147,501.13-203,551.18-80,433.13

Finding the Fourth Proportional to 147,501.13, 203,551.18 and 80,433.13

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Solution

The fourth proportional to 147,501.13, 203,551.18 and 80,433.13 is: 110,997.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,501.13 : 203,551.18 = 80,433.13 : x
  2. Step 2: Convert to fraction form
    147,501.13/203,551.18 = 80,433.13/x
  3. Step 3: Cross multiply
    147,501.13x = 203,551.18 × 80,433.13
  4. Step 4: Simplify right side
    147,501.13x = 16,372,258,522.59
  5. Step 5: Solve for x
    x = 16,372,258,522.59/147,501.13
  6. Step 6: Final answer
    x = 110,997.51

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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.