Home / 173,976.12-240,570.36-138,103.92

Finding the Fourth Proportional to 173,976.12, 240,570.36 and 138,103.92

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Solution

The fourth proportional to 173,976.12, 240,570.36 and 138,103.92 is: 190,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,976.12 : 240,570.36 = 138,103.92 : x
  2. Step 2: Convert to fraction form
    173,976.12/240,570.36 = 138,103.92/x
  3. Step 3: Cross multiply
    173,976.12x = 240,570.36 × 138,103.92
  4. Step 4: Simplify right side
    173,976.12x = 33,223,709,751.81
  5. Step 5: Solve for x
    x = 33,223,709,751.81/173,976.12
  6. Step 6: Final answer
    x = 190,967.07

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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.