Home / 113,881.60-170,822.40-91,738.23

Finding the Fourth Proportional to 113,881.60, 170,822.40 and 91,738.23

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Solution

The fourth proportional to 113,881.60, 170,822.40 and 91,738.23 is: 137,607.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,881.60 : 170,822.40 = 91,738.23 : x
  2. Step 2: Convert to fraction form
    113,881.60/170,822.40 = 91,738.23/x
  3. Step 3: Cross multiply
    113,881.60x = 170,822.40 × 91,738.23
  4. Step 4: Simplify right side
    113,881.60x = 15,670,944,620.35
  5. Step 5: Solve for x
    x = 15,670,944,620.35/113,881.60
  6. Step 6: Final answer
    x = 137,607.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.