Home / 127,824.55-191,736.02-39,077.71

Finding the Fourth Proportional to 127,824.55, 191,736.02 and 39,077.71

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Solution

The fourth proportional to 127,824.55, 191,736.02 and 39,077.71 is: 58,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,824.55 : 191,736.02 = 39,077.71 : x
  2. Step 2: Convert to fraction form
    127,824.55/191,736.02 = 39,077.71/x
  3. Step 3: Cross multiply
    127,824.55x = 191,736.02 × 39,077.71
  4. Step 4: Simplify right side
    127,824.55x = 7,492,604,390.73
  5. Step 5: Solve for x
    x = 7,492,604,390.73/127,824.55
  6. Step 6: Final answer
    x = 58,616.32

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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.