Home / 151,842.41-209,542.54-88,184.30

Finding the Fourth Proportional to 151,842.41, 209,542.54 and 88,184.30

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Solution

The fourth proportional to 151,842.41, 209,542.54 and 88,184.30 is: 121,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,842.41 : 209,542.54 = 88,184.30 : x
  2. Step 2: Convert to fraction form
    151,842.41/209,542.54 = 88,184.30/x
  3. Step 3: Cross multiply
    151,842.41x = 209,542.54 × 88,184.30
  4. Step 4: Simplify right side
    151,842.41x = 18,478,362,210.12
  5. Step 5: Solve for x
    x = 18,478,362,210.12/151,842.41
  6. Step 6: Final answer
    x = 121,694.34

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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.