Home / 130,360.08-179,896.91-70,744.08

Finding the Fourth Proportional to 130,360.08, 179,896.91 and 70,744.08

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Solution

The fourth proportional to 130,360.08, 179,896.91 and 70,744.08 is: 97,626.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,360.08 : 179,896.91 = 70,744.08 : x
  2. Step 2: Convert to fraction form
    130,360.08/179,896.91 = 70,744.08/x
  3. Step 3: Cross multiply
    130,360.08x = 179,896.91 × 70,744.08
  4. Step 4: Simplify right side
    130,360.08x = 12,726,641,713.69
  5. Step 5: Solve for x
    x = 12,726,641,713.69/130,360.08
  6. Step 6: Final answer
    x = 97,626.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.