Home / 174,981.60-262,472.40-108,205.20

Finding the Fourth Proportional to 174,981.60, 262,472.40 and 108,205.20

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Solution

The fourth proportional to 174,981.60, 262,472.40 and 108,205.20 is: 162,307.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,981.60 : 262,472.40 = 108,205.20 : x
  2. Step 2: Convert to fraction form
    174,981.60/262,472.40 = 108,205.20/x
  3. Step 3: Cross multiply
    174,981.60x = 262,472.40 × 108,205.20
  4. Step 4: Simplify right side
    174,981.60x = 28,400,878,536.48
  5. Step 5: Solve for x
    x = 28,400,878,536.48/174,981.60
  6. Step 6: Final answer
    x = 162,307.80

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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.