Home / 141,621.47-195,435.55-77,957.63

Finding the Fourth Proportional to 141,621.47, 195,435.55 and 77,957.63

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Solution

The fourth proportional to 141,621.47, 195,435.55 and 77,957.63 is: 107,580.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,621.47 : 195,435.55 = 77,957.63 : x
  2. Step 2: Convert to fraction form
    141,621.47/195,435.55 = 77,957.63/x
  3. Step 3: Cross multiply
    141,621.47x = 195,435.55 × 77,957.63
  4. Step 4: Simplify right side
    141,621.47x = 15,235,692,295.75
  5. Step 5: Solve for x
    x = 15,235,692,295.75/141,621.47
  6. Step 6: Final answer
    x = 107,580.39

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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.