Home / 95,834.80-143,752.20-86,017.60

Finding the Fourth Proportional to 95,834.80, 143,752.20 and 86,017.60

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Solution

The fourth proportional to 95,834.80, 143,752.20 and 86,017.60 is: 129,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,834.80 : 143,752.20 = 86,017.60 : x
  2. Step 2: Convert to fraction form
    95,834.80/143,752.20 = 86,017.60/x
  3. Step 3: Cross multiply
    95,834.80x = 143,752.20 × 86,017.60
  4. Step 4: Simplify right side
    95,834.80x = 12,365,219,238.72
  5. Step 5: Solve for x
    x = 12,365,219,238.72/95,834.80
  6. Step 6: Final answer
    x = 129,026.40

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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.