Home / 147,408.16-203,498.04-86,997.16

Finding the Fourth Proportional to 147,408.16, 203,498.04 and 86,997.16

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Solution

The fourth proportional to 147,408.16, 203,498.04 and 86,997.16 is: 120,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,408.16 : 203,498.04 = 86,997.16 : x
  2. Step 2: Convert to fraction form
    147,408.16/203,498.04 = 86,997.16/x
  3. Step 3: Cross multiply
    147,408.16x = 203,498.04 × 86,997.16
  4. Step 4: Simplify right side
    147,408.16x = 17,703,751,545.57
  5. Step 5: Solve for x
    x = 17,703,751,545.57/147,408.16
  6. Step 6: Final answer
    x = 120,100.21

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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.