Home / 134,300-185,338.08-73,867.52

Finding the Fourth Proportional to 134,300, 185,338.08 and 73,867.52

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Solution

The fourth proportional to 134,300, 185,338.08 and 73,867.52 is: 101,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,300 : 185,338.08 = 73,867.52 : x
  2. Step 2: Convert to fraction form
    134,300/185,338.08 = 73,867.52/x
  3. Step 3: Cross multiply
    134,300x = 185,338.08 × 73,867.52
  4. Step 4: Simplify right side
    134,300x = 13,690,464,331.16
  5. Step 5: Solve for x
    x = 13,690,464,331.16/134,300
  6. Step 6: Final answer
    x = 101,939.42

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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.