Home / 173,986.29-261,005.36-80,501.49

Finding the Fourth Proportional to 173,986.29, 261,005.36 and 80,501.49

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Solution

The fourth proportional to 173,986.29, 261,005.36 and 80,501.49 is: 120,764.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,986.29 : 261,005.36 = 80,501.49 : x
  2. Step 2: Convert to fraction form
    173,986.29/261,005.36 = 80,501.49/x
  3. Step 3: Cross multiply
    173,986.29x = 261,005.36 × 80,501.49
  4. Step 4: Simplify right side
    173,986.29x = 21,011,319,975.48
  5. Step 5: Solve for x
    x = 21,011,319,975.48/173,986.29
  6. Step 6: Final answer
    x = 120,764.23

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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.