Home / 148,342.77-204,713.27-87,943.10

Finding the Fourth Proportional to 148,342.77, 204,713.27 and 87,943.10

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Solution

The fourth proportional to 148,342.77, 204,713.27 and 87,943.10 is: 121,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,342.77 : 204,713.27 = 87,943.10 : x
  2. Step 2: Convert to fraction form
    148,342.77/204,713.27 = 87,943.10/x
  3. Step 3: Cross multiply
    148,342.77x = 204,713.27 × 87,943.10
  4. Step 4: Simplify right side
    148,342.77x = 18,003,118,111.66
  5. Step 5: Solve for x
    x = 18,003,118,111.66/148,342.77
  6. Step 6: Final answer
    x = 121,361.61

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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.