Home / 127,946.52-191,962.22-39,200.90

Finding the Fourth Proportional to 127,946.52, 191,962.22 and 39,200.90

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Solution

The fourth proportional to 127,946.52, 191,962.22 and 39,200.90 is: 58,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.52 : 191,962.22 = 39,200.90 : x
  2. Step 2: Convert to fraction form
    127,946.52/191,962.22 = 39,200.90/x
  3. Step 3: Cross multiply
    127,946.52x = 191,962.22 × 39,200.90
  4. Step 4: Simplify right side
    127,946.52x = 7,525,090,634.18
  5. Step 5: Solve for x
    x = 7,525,090,634.18/127,946.52
  6. Step 6: Final answer
    x = 58,814.34

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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.