Home / 175,091.80-262,637.70-86,518.30

Finding the Fourth Proportional to 175,091.80, 262,637.70 and 86,518.30

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Solution

The fourth proportional to 175,091.80, 262,637.70 and 86,518.30 is: 129,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,091.80 : 262,637.70 = 86,518.30 : x
  2. Step 2: Convert to fraction form
    175,091.80/262,637.70 = 86,518.30/x
  3. Step 3: Cross multiply
    175,091.80x = 262,637.70 × 86,518.30
  4. Step 4: Simplify right side
    175,091.80x = 22,722,967,319.91
  5. Step 5: Solve for x
    x = 22,722,967,319.91/175,091.80
  6. Step 6: Final answer
    x = 129,777.45

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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.