Home / 131,997.07-182,156.78-71,567.19

Finding the Fourth Proportional to 131,997.07, 182,156.78 and 71,567.19

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Solution

The fourth proportional to 131,997.07, 182,156.78 and 71,567.19 is: 98,763.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,997.07 : 182,156.78 = 71,567.19 : x
  2. Step 2: Convert to fraction form
    131,997.07/182,156.78 = 71,567.19/x
  3. Step 3: Cross multiply
    131,997.07x = 182,156.78 × 71,567.19
  4. Step 4: Simplify right side
    131,997.07x = 13,036,448,526.21
  5. Step 5: Solve for x
    x = 13,036,448,526.21/131,997.07
  6. Step 6: Final answer
    x = 98,763.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.