Home / 170,777.95-256,161.45-77,283.70

Finding the Fourth Proportional to 170,777.95, 256,161.45 and 77,283.70

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Solution

The fourth proportional to 170,777.95, 256,161.45 and 77,283.70 is: 115,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,777.95 : 256,161.45 = 77,283.70 : x
  2. Step 2: Convert to fraction form
    170,777.95/256,161.45 = 77,283.70/x
  3. Step 3: Cross multiply
    170,777.95x = 256,161.45 × 77,283.70
  4. Step 4: Simplify right side
    170,777.95x = 19,797,104,653.37
  5. Step 5: Solve for x
    x = 19,797,104,653.37/170,777.95
  6. Step 6: Final answer
    x = 115,923.07

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1.5x scale

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.