Home / 174,017.20-261,025.68-42,689.20

Finding the Fourth Proportional to 174,017.20, 261,025.68 and 42,689.20

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Solution

The fourth proportional to 174,017.20, 261,025.68 and 42,689.20 is: 64,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,017.20 : 261,025.68 = 42,689.20 : x
  2. Step 2: Convert to fraction form
    174,017.20/261,025.68 = 42,689.20/x
  3. Step 3: Cross multiply
    174,017.20x = 261,025.68 × 42,689.20
  4. Step 4: Simplify right side
    174,017.20x = 11,142,977,458.66
  5. Step 5: Solve for x
    x = 11,142,977,458.66/174,017.20
  6. Step 6: Final answer
    x = 64,033.77

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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.