Home / 190,759.50-286,070.13-85,524.30

Finding the Fourth Proportional to 190,759.50, 286,070.13 and 85,524.30

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Solution

The fourth proportional to 190,759.50, 286,070.13 and 85,524.30 is: 128,255.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,759.50 : 286,070.13 = 85,524.30 : x
  2. Step 2: Convert to fraction form
    190,759.50/286,070.13 = 85,524.30/x
  3. Step 3: Cross multiply
    190,759.50x = 286,070.13 × 85,524.30
  4. Step 4: Simplify right side
    190,759.50x = 24,465,947,619.16
  5. Step 5: Solve for x
    x = 24,465,947,619.16/190,759.50
  6. Step 6: Final answer
    x = 128,255.46

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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.