Home / 141,414.02-195,151.38-77,756.12

Finding the Fourth Proportional to 141,414.02, 195,151.38 and 77,756.12

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Solution

The fourth proportional to 141,414.02, 195,151.38 and 77,756.12 is: 107,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,414.02 : 195,151.38 = 77,756.12 : x
  2. Step 2: Convert to fraction form
    141,414.02/195,151.38 = 77,756.12/x
  3. Step 3: Cross multiply
    141,414.02x = 195,151.38 × 77,756.12
  4. Step 4: Simplify right side
    141,414.02x = 15,174,214,121.45
  5. Step 5: Solve for x
    x = 15,174,214,121.45/141,414.02
  6. Step 6: Final answer
    x = 107,303.46

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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.