Home / 170,961.35-256,361.50-99,904.51

Finding the Fourth Proportional to 170,961.35, 256,361.50 and 99,904.51

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Solution

The fourth proportional to 170,961.35, 256,361.50 and 99,904.51 is: 149,809.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,961.35 : 256,361.50 = 99,904.51 : x
  2. Step 2: Convert to fraction form
    170,961.35/256,361.50 = 99,904.51/x
  3. Step 3: Cross multiply
    170,961.35x = 256,361.50 × 99,904.51
  4. Step 4: Simplify right side
    170,961.35x = 25,611,668,259.04
  5. Step 5: Solve for x
    x = 25,611,668,259.04/170,961.35
  6. Step 6: Final answer
    x = 149,809.70

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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.