Home / 113,993.28-157,329.86-77,182.80

Finding the Fourth Proportional to 113,993.28, 157,329.86 and 77,182.80

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Solution

The fourth proportional to 113,993.28, 157,329.86 and 77,182.80 is: 106,525.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,993.28 : 157,329.86 = 77,182.80 : x
  2. Step 2: Convert to fraction form
    113,993.28/157,329.86 = 77,182.80/x
  3. Step 3: Cross multiply
    113,993.28x = 157,329.86 × 77,182.80
  4. Step 4: Simplify right side
    113,993.28x = 12,143,159,118.41
  5. Step 5: Solve for x
    x = 12,143,159,118.41/113,993.28
  6. Step 6: Final answer
    x = 106,525.22

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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.