Home / 175,042.40-262,563.60-86,338.40

Finding the Fourth Proportional to 175,042.40, 262,563.60 and 86,338.40

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Solution

The fourth proportional to 175,042.40, 262,563.60 and 86,338.40 is: 129,507.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,042.40 : 262,563.60 = 86,338.40 : x
  2. Step 2: Convert to fraction form
    175,042.40/262,563.60 = 86,338.40/x
  3. Step 3: Cross multiply
    175,042.40x = 262,563.60 × 86,338.40
  4. Step 4: Simplify right side
    175,042.40x = 22,669,321,122.24
  5. Step 5: Solve for x
    x = 22,669,321,122.24/175,042.40
  6. Step 6: Final answer
    x = 129,507.60

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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.