Home / 147,693.27-203,807.74-87,249.45

Finding the Fourth Proportional to 147,693.27, 203,807.74 and 87,249.45

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Solution

The fourth proportional to 147,693.27, 203,807.74 and 87,249.45 is: 120,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,693.27 : 203,807.74 = 87,249.45 : x
  2. Step 2: Convert to fraction form
    147,693.27/203,807.74 = 87,249.45/x
  3. Step 3: Cross multiply
    147,693.27x = 203,807.74 × 87,249.45
  4. Step 4: Simplify right side
    147,693.27x = 17,782,113,220.74
  5. Step 5: Solve for x
    x = 17,782,113,220.74/147,693.27
  6. Step 6: Final answer
    x = 120,398.94

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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.