Home / 173,823.76-239,860.20-138,100.24

Finding the Fourth Proportional to 173,823.76, 239,860.20 and 138,100.24

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Solution

The fourth proportional to 173,823.76, 239,860.20 and 138,100.24 is: 190,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,823.76 : 239,860.20 = 138,100.24 : x
  2. Step 2: Convert to fraction form
    173,823.76/239,860.20 = 138,100.24/x
  3. Step 3: Cross multiply
    173,823.76x = 239,860.20 × 138,100.24
  4. Step 4: Simplify right side
    173,823.76x = 33,124,751,186.45
  5. Step 5: Solve for x
    x = 33,124,751,186.45/173,823.76
  6. Step 6: Final answer
    x = 190,565.15

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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.