Home / 175,542.10-263,140.35-86,809.30

Finding the Fourth Proportional to 175,542.10, 263,140.35 and 86,809.30

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Solution

The fourth proportional to 175,542.10, 263,140.35 and 86,809.30 is: 130,128.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,542.10 : 263,140.35 = 86,809.30 : x
  2. Step 2: Convert to fraction form
    175,542.10/263,140.35 = 86,809.30/x
  3. Step 3: Cross multiply
    175,542.10x = 263,140.35 × 86,809.30
  4. Step 4: Simplify right side
    175,542.10x = 22,843,029,585.26
  5. Step 5: Solve for x
    x = 22,843,029,585.26/175,542.10
  6. Step 6: Final answer
    x = 130,128.50

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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.