Home / 130,447.16-195,744.60-55,559.52

Finding the Fourth Proportional to 130,447.16, 195,744.60 and 55,559.52

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Solution

The fourth proportional to 130,447.16, 195,744.60 and 55,559.52 is: 83,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,447.16 : 195,744.60 = 55,559.52 : x
  2. Step 2: Convert to fraction form
    130,447.16/195,744.60 = 55,559.52/x
  3. Step 3: Cross multiply
    130,447.16x = 195,744.60 × 55,559.52
  4. Step 4: Simplify right side
    130,447.16x = 10,875,476,018.59
  5. Step 5: Solve for x
    x = 10,875,476,018.59/130,447.16
  6. Step 6: Final answer
    x = 83,370.74

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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.