Home / 149,580.42-223,973.19-90,335.94

Finding the Fourth Proportional to 149,580.42, 223,973.19 and 90,335.94

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Solution

The fourth proportional to 149,580.42, 223,973.19 and 90,335.94 is: 135,263.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,580.42 : 223,973.19 = 90,335.94 : x
  2. Step 2: Convert to fraction form
    149,580.42/223,973.19 = 90,335.94/x
  3. Step 3: Cross multiply
    149,580.42x = 223,973.19 × 90,335.94
  4. Step 4: Simplify right side
    149,580.42x = 20,232,828,653.45
  5. Step 5: Solve for x
    x = 20,232,828,653.45/149,580.42
  6. Step 6: Final answer
    x = 135,263.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.