Home / 147,885.39-204,118.11-84,260.70

Finding the Fourth Proportional to 147,885.39, 204,118.11 and 84,260.70

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Solution

The fourth proportional to 147,885.39, 204,118.11 and 84,260.70 is: 116,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,885.39 : 204,118.11 = 84,260.70 : x
  2. Step 2: Convert to fraction form
    147,885.39/204,118.11 = 84,260.70/x
  3. Step 3: Cross multiply
    147,885.39x = 204,118.11 × 84,260.70
  4. Step 4: Simplify right side
    147,885.39x = 17,199,134,831.28
  5. Step 5: Solve for x
    x = 17,199,134,831.28/147,885.39
  6. Step 6: Final answer
    x = 116,300.43

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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.