Home / 104,713.07-144,439.23-91,316.48

Finding the Fourth Proportional to 104,713.07, 144,439.23 and 91,316.48

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Solution

The fourth proportional to 104,713.07, 144,439.23 and 91,316.48 is: 125,960.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,713.07 : 144,439.23 = 91,316.48 : x
  2. Step 2: Convert to fraction form
    104,713.07/144,439.23 = 91,316.48/x
  3. Step 3: Cross multiply
    104,713.07x = 144,439.23 × 91,316.48
  4. Step 4: Simplify right side
    104,713.07x = 13,189,681,677.75
  5. Step 5: Solve for x
    x = 13,189,681,677.75/104,713.07
  6. Step 6: Final answer
    x = 125,960.23

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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.