Home / 131,923.95-182,046.06-84,172.02

Finding the Fourth Proportional to 131,923.95, 182,046.06 and 84,172.02

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Solution

The fourth proportional to 131,923.95, 182,046.06 and 84,172.02 is: 116,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,923.95 : 182,046.06 = 84,172.02 : x
  2. Step 2: Convert to fraction form
    131,923.95/182,046.06 = 84,172.02/x
  3. Step 3: Cross multiply
    131,923.95x = 182,046.06 × 84,172.02
  4. Step 4: Simplify right side
    131,923.95x = 15,323,184,603.24
  5. Step 5: Solve for x
    x = 15,323,184,603.24/131,923.95
  6. Step 6: Final answer
    x = 116,151.65

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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.