Home / 175,021.60-262,532.40-115,535.20

Finding the Fourth Proportional to 175,021.60, 262,532.40 and 115,535.20

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Solution

The fourth proportional to 175,021.60, 262,532.40 and 115,535.20 is: 173,302.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,021.60 : 262,532.40 = 115,535.20 : x
  2. Step 2: Convert to fraction form
    175,021.60/262,532.40 = 115,535.20/x
  3. Step 3: Cross multiply
    175,021.60x = 262,532.40 × 115,535.20
  4. Step 4: Simplify right side
    175,021.60x = 30,331,733,340.48
  5. Step 5: Solve for x
    x = 30,331,733,340.48/175,021.60
  6. Step 6: Final answer
    x = 173,302.80

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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.