Home / 131,008.23-196,493.07-64,430.40

Finding the Fourth Proportional to 131,008.23, 196,493.07 and 64,430.40

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Solution

The fourth proportional to 131,008.23, 196,493.07 and 64,430.40 is: 96,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,008.23 : 196,493.07 = 64,430.40 : x
  2. Step 2: Convert to fraction form
    131,008.23/196,493.07 = 64,430.40/x
  3. Step 3: Cross multiply
    131,008.23x = 196,493.07 × 64,430.40
  4. Step 4: Simplify right side
    131,008.23x = 12,660,127,097.33
  5. Step 5: Solve for x
    x = 12,660,127,097.33/131,008.23
  6. Step 6: Final answer
    x = 96,636.12

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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.