Home / 134,427.60-185,676.30-98,560.80

Finding the Fourth Proportional to 134,427.60, 185,676.30 and 98,560.80

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Solution

The fourth proportional to 134,427.60, 185,676.30 and 98,560.80 is: 136,135.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,427.60 : 185,676.30 = 98,560.80 : x
  2. Step 2: Convert to fraction form
    134,427.60/185,676.30 = 98,560.80/x
  3. Step 3: Cross multiply
    134,427.60x = 185,676.30 × 98,560.80
  4. Step 4: Simplify right side
    134,427.60x = 18,300,404,669.04
  5. Step 5: Solve for x
    x = 18,300,404,669.04/134,427.60
  6. Step 6: Final answer
    x = 136,135.77

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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.