Home / 151,840.41-209,539.78-88,182.30

Finding the Fourth Proportional to 151,840.41, 209,539.78 and 88,182.30

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Solution

The fourth proportional to 151,840.41, 209,539.78 and 88,182.30 is: 121,691.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,840.41 : 209,539.78 = 88,182.30 : x
  2. Step 2: Convert to fraction form
    151,840.41/209,539.78 = 88,182.30/x
  3. Step 3: Cross multiply
    151,840.41x = 209,539.78 × 88,182.30
  4. Step 4: Simplify right side
    151,840.41x = 18,477,700,307.21
  5. Step 5: Solve for x
    x = 18,477,700,307.21/151,840.41
  6. Step 6: Final answer
    x = 121,691.59

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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.