Home / 130,711.40-196,196.70-64,226.60

Finding the Fourth Proportional to 130,711.40, 196,196.70 and 64,226.60

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Solution

The fourth proportional to 130,711.40, 196,196.70 and 64,226.60 is: 96,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,711.40 : 196,196.70 = 64,226.60 : x
  2. Step 2: Convert to fraction form
    130,711.40/196,196.70 = 64,226.60/x
  3. Step 3: Cross multiply
    130,711.40x = 196,196.70 × 64,226.60
  4. Step 4: Simplify right side
    130,711.40x = 12,601,046,972.22
  5. Step 5: Solve for x
    x = 12,601,046,972.22/130,711.40
  6. Step 6: Final answer
    x = 96,403.58

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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.