Home / 175,277.20-263,088.60-86,630.80

Finding the Fourth Proportional to 175,277.20, 263,088.60 and 86,630.80

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Solution

The fourth proportional to 175,277.20, 263,088.60 and 86,630.80 is: 130,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,277.20 : 263,088.60 = 86,630.80 : x
  2. Step 2: Convert to fraction form
    175,277.20/263,088.60 = 86,630.80/x
  3. Step 3: Cross multiply
    175,277.20x = 263,088.60 × 86,630.80
  4. Step 4: Simplify right side
    175,277.20x = 22,791,575,888.88
  5. Step 5: Solve for x
    x = 22,791,575,888.88/175,277.20
  6. Step 6: Final answer
    x = 130,031.61

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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.