Home / 95,378.01-143,638.13-86,865.30

Finding the Fourth Proportional to 95,378.01, 143,638.13 and 86,865.30

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Solution

The fourth proportional to 95,378.01, 143,638.13 and 86,865.30 is: 130,818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,378.01 : 143,638.13 = 86,865.30 : x
  2. Step 2: Convert to fraction form
    95,378.01/143,638.13 = 86,865.30/x
  3. Step 3: Cross multiply
    95,378.01x = 143,638.13 × 86,865.30
  4. Step 4: Simplify right side
    95,378.01x = 12,477,169,253.89
  5. Step 5: Solve for x
    x = 12,477,169,253.89/95,378.01
  6. Step 6: Final answer
    x = 130,818.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.