Home / 173,768.40-239,801.16-98,331.60

Finding the Fourth Proportional to 173,768.40, 239,801.16 and 98,331.60

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Solution

The fourth proportional to 173,768.40, 239,801.16 and 98,331.60 is: 135,698.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,768.40 : 239,801.16 = 98,331.60 : x
  2. Step 2: Convert to fraction form
    173,768.40/239,801.16 = 98,331.60/x
  3. Step 3: Cross multiply
    173,768.40x = 239,801.16 × 98,331.60
  4. Step 4: Simplify right side
    173,768.40x = 23,580,031,744.66
  5. Step 5: Solve for x
    x = 23,580,031,744.66/173,768.40
  6. Step 6: Final answer
    x = 135,698.04

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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.