Home / 130,856.93-196,120.75-70,883.11

Finding the Fourth Proportional to 130,856.93, 196,120.75 and 70,883.11

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Solution

The fourth proportional to 130,856.93, 196,120.75 and 70,883.11 is: 106,235.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,856.93 : 196,120.75 = 70,883.11 : x
  2. Step 2: Convert to fraction form
    130,856.93/196,120.75 = 70,883.11/x
  3. Step 3: Cross multiply
    130,856.93x = 196,120.75 × 70,883.11
  4. Step 4: Simplify right side
    130,856.93x = 13,901,648,028.02
  5. Step 5: Solve for x
    x = 13,901,648,028.02/130,856.93
  6. Step 6: Final answer
    x = 106,235.48

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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.