Home / 136,017.96-187,690.14-75,574.95

Finding the Fourth Proportional to 136,017.96, 187,690.14 and 75,574.95

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Solution

The fourth proportional to 136,017.96, 187,690.14 and 75,574.95 is: 104,285.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,017.96 : 187,690.14 = 75,574.95 : x
  2. Step 2: Convert to fraction form
    136,017.96/187,690.14 = 75,574.95/x
  3. Step 3: Cross multiply
    136,017.96x = 187,690.14 × 75,574.95
  4. Step 4: Simplify right side
    136,017.96x = 14,184,672,945.99
  5. Step 5: Solve for x
    x = 14,184,672,945.99/136,017.96
  6. Step 6: Final answer
    x = 104,285.29

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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.