Home / 114,853.40-172,280.20-43,759.52

Finding the Fourth Proportional to 114,853.40, 172,280.20 and 43,759.52

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Solution

The fourth proportional to 114,853.40, 172,280.20 and 43,759.52 is: 65,639.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,853.40 : 172,280.20 = 43,759.52 : x
  2. Step 2: Convert to fraction form
    114,853.40/172,280.20 = 43,759.52/x
  3. Step 3: Cross multiply
    114,853.40x = 172,280.20 × 43,759.52
  4. Step 4: Simplify right side
    114,853.40x = 7,538,898,857.50
  5. Step 5: Solve for x
    x = 7,538,898,857.50/114,853.40
  6. Step 6: Final answer
    x = 65,639.32

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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.