Home / 134,778.06-185,875.56-107,910.77

Finding the Fourth Proportional to 134,778.06, 185,875.56 and 107,910.77

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Solution

The fourth proportional to 134,778.06, 185,875.56 and 107,910.77 is: 148,822.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,778.06 : 185,875.56 = 107,910.77 : x
  2. Step 2: Convert to fraction form
    134,778.06/185,875.56 = 107,910.77/x
  3. Step 3: Cross multiply
    134,778.06x = 185,875.56 × 107,910.77
  4. Step 4: Simplify right side
    134,778.06x = 20,057,973,874.40
  5. Step 5: Solve for x
    x = 20,057,973,874.40/134,778.06
  6. Step 6: Final answer
    x = 148,822.25

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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.