Home / 147,565.89-220,197.93-131,661.59

Finding the Fourth Proportional to 147,565.89, 220,197.93 and 131,661.59

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Solution

The fourth proportional to 147,565.89, 220,197.93 and 131,661.59 is: 196,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,565.89 : 220,197.93 = 131,661.59 : x
  2. Step 2: Convert to fraction form
    147,565.89/220,197.93 = 131,661.59/x
  3. Step 3: Cross multiply
    147,565.89x = 220,197.93 × 131,661.59
  4. Step 4: Simplify right side
    147,565.89x = 28,991,609,578.51
  5. Step 5: Solve for x
    x = 28,991,609,578.51/147,565.89
  6. Step 6: Final answer
    x = 196,465.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.