Home / 110,138.80-151,997.55-62,401.45

Finding the Fourth Proportional to 110,138.80, 151,997.55 and 62,401.45

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Solution

The fourth proportional to 110,138.80, 151,997.55 and 62,401.45 is: 86,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,138.80 : 151,997.55 = 62,401.45 : x
  2. Step 2: Convert to fraction form
    110,138.80/151,997.55 = 62,401.45/x
  3. Step 3: Cross multiply
    110,138.80x = 151,997.55 × 62,401.45
  4. Step 4: Simplify right side
    110,138.80x = 9,484,867,326.45
  5. Step 5: Solve for x
    x = 9,484,867,326.45/110,138.80
  6. Step 6: Final answer
    x = 86,117.40

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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.