Home / 131,601.84-181,526.93-86,282.76

Finding the Fourth Proportional to 131,601.84, 181,526.93 and 86,282.76

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Solution

The fourth proportional to 131,601.84, 181,526.93 and 86,282.76 is: 119,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,601.84 : 181,526.93 = 86,282.76 : x
  2. Step 2: Convert to fraction form
    131,601.84/181,526.93 = 86,282.76/x
  3. Step 3: Cross multiply
    131,601.84x = 181,526.93 × 86,282.76
  4. Step 4: Simplify right side
    131,601.84x = 15,662,644,534.73
  5. Step 5: Solve for x
    x = 15,662,644,534.73/131,601.84
  6. Step 6: Final answer
    x = 119,015.39

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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.