Home / 131,282.02-181,161.21-77,554.18

Finding the Fourth Proportional to 131,282.02, 181,161.21 and 77,554.18

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Solution

The fourth proportional to 131,282.02, 181,161.21 and 77,554.18 is: 107,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,282.02 : 181,161.21 = 77,554.18 : x
  2. Step 2: Convert to fraction form
    131,282.02/181,161.21 = 77,554.18/x
  3. Step 3: Cross multiply
    131,282.02x = 181,161.21 × 77,554.18
  4. Step 4: Simplify right side
    131,282.02x = 14,049,809,089.36
  5. Step 5: Solve for x
    x = 14,049,809,089.36/131,282.02
  6. Step 6: Final answer
    x = 107,020.06

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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.