Home / 106,901.34-147,426.39-91,789.26

Finding the Fourth Proportional to 106,901.34, 147,426.39 and 91,789.26

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Solution

The fourth proportional to 106,901.34, 147,426.39 and 91,789.26 is: 126,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,901.34 : 147,426.39 = 91,789.26 : x
  2. Step 2: Convert to fraction form
    106,901.34/147,426.39 = 91,789.26/x
  3. Step 3: Cross multiply
    106,901.34x = 147,426.39 × 91,789.26
  4. Step 4: Simplify right side
    106,901.34x = 13,532,159,242.57
  5. Step 5: Solve for x
    x = 13,532,159,242.57/106,901.34
  6. Step 6: Final answer
    x = 126,585.50

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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.