Home / 130,718.34-196,077.50-91,352.34

Finding the Fourth Proportional to 130,718.34, 196,077.50 and 91,352.34

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Solution

The fourth proportional to 130,718.34, 196,077.50 and 91,352.34 is: 137,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,718.34 : 196,077.50 = 91,352.34 : x
  2. Step 2: Convert to fraction form
    130,718.34/196,077.50 = 91,352.34/x
  3. Step 3: Cross multiply
    130,718.34x = 196,077.50 × 91,352.34
  4. Step 4: Simplify right side
    130,718.34x = 17,912,138,446.35
  5. Step 5: Solve for x
    x = 17,912,138,446.35/130,718.34
  6. Step 6: Final answer
    x = 137,028.50

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1.5x scale

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.