Home / 113,085.60-169,628.40-34,191.60

Finding the Fourth Proportional to 113,085.60, 169,628.40 and 34,191.60

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Solution

The fourth proportional to 113,085.60, 169,628.40 and 34,191.60 is: 51,287.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,085.60 : 169,628.40 = 34,191.60 : x
  2. Step 2: Convert to fraction form
    113,085.60/169,628.40 = 34,191.60/x
  3. Step 3: Cross multiply
    113,085.60x = 169,628.40 × 34,191.60
  4. Step 4: Simplify right side
    113,085.60x = 5,799,866,401.44
  5. Step 5: Solve for x
    x = 5,799,866,401.44/113,085.60
  6. Step 6: Final answer
    x = 51,287.40

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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.