Home / 175,587.30-263,316.15-86,811.30

Finding the Fourth Proportional to 175,587.30, 263,316.15 and 86,811.30

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Solution

The fourth proportional to 175,587.30, 263,316.15 and 86,811.30 is: 130,184.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,587.30 : 263,316.15 = 86,811.30 : x
  2. Step 2: Convert to fraction form
    175,587.30/263,316.15 = 86,811.30/x
  3. Step 3: Cross multiply
    175,587.30x = 263,316.15 × 86,811.30
  4. Step 4: Simplify right side
    175,587.30x = 22,858,817,292.50
  5. Step 5: Solve for x
    x = 22,858,817,292.50/175,587.30
  6. Step 6: Final answer
    x = 130,184.91

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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.