Home / 127,637.75-191,337.69-43,340.28

Finding the Fourth Proportional to 127,637.75, 191,337.69 and 43,340.28

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Solution

The fourth proportional to 127,637.75, 191,337.69 and 43,340.28 is: 64,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,637.75 : 191,337.69 = 43,340.28 : x
  2. Step 2: Convert to fraction form
    127,637.75/191,337.69 = 43,340.28/x
  3. Step 3: Cross multiply
    127,637.75x = 191,337.69 × 43,340.28
  4. Step 4: Simplify right side
    127,637.75x = 8,292,628,102.46
  5. Step 5: Solve for x
    x = 8,292,628,102.46/127,637.75
  6. Step 6: Final answer
    x = 64,970.03

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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.