Home / 149,518.08-223,955.52-70,513.92

Finding the Fourth Proportional to 149,518.08, 223,955.52 and 70,513.92

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Solution

The fourth proportional to 149,518.08, 223,955.52 and 70,513.92 is: 105,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,518.08 : 223,955.52 = 70,513.92 : x
  2. Step 2: Convert to fraction form
    149,518.08/223,955.52 = 70,513.92/x
  3. Step 3: Cross multiply
    149,518.08x = 223,955.52 × 70,513.92
  4. Step 4: Simplify right side
    149,518.08x = 15,791,981,620.84
  5. Step 5: Solve for x
    x = 15,791,981,620.84/149,518.08
  6. Step 6: Final answer
    x = 105,619.21

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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.