Home / 130,718.40-196,207.20-64,233.60

Finding the Fourth Proportional to 130,718.40, 196,207.20 and 64,233.60

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Solution

The fourth proportional to 130,718.40, 196,207.20 and 64,233.60 is: 96,414.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,718.40 : 196,207.20 = 64,233.60 : x
  2. Step 2: Convert to fraction form
    130,718.40/196,207.20 = 64,233.60/x
  3. Step 3: Cross multiply
    130,718.40x = 196,207.20 × 64,233.60
  4. Step 4: Simplify right side
    130,718.40x = 12,603,094,801.92
  5. Step 5: Solve for x
    x = 12,603,094,801.92/130,718.40
  6. Step 6: Final answer
    x = 96,414.08

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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.