Home / 136,941.45-205,280.96-57,947.01

Finding the Fourth Proportional to 136,941.45, 205,280.96 and 57,947.01

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Solution

The fourth proportional to 136,941.45, 205,280.96 and 57,947.01 is: 86,864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,941.45 : 205,280.96 = 57,947.01 : x
  2. Step 2: Convert to fraction form
    136,941.45/205,280.96 = 57,947.01/x
  3. Step 3: Cross multiply
    136,941.45x = 205,280.96 × 57,947.01
  4. Step 4: Simplify right side
    136,941.45x = 11,895,417,552.19
  5. Step 5: Solve for x
    x = 11,895,417,552.19/136,941.45
  6. Step 6: Final answer
    x = 86,864.99

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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.