Home / 127,537.58-191,219.78-71,416.28

Finding the Fourth Proportional to 127,537.58, 191,219.78 and 71,416.28

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Solution

The fourth proportional to 127,537.58, 191,219.78 and 71,416.28 is: 107,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,537.58 : 191,219.78 = 71,416.28 : x
  2. Step 2: Convert to fraction form
    127,537.58/191,219.78 = 71,416.28/x
  3. Step 3: Cross multiply
    127,537.58x = 191,219.78 × 71,416.28
  4. Step 4: Simplify right side
    127,537.58x = 13,656,205,350.02
  5. Step 5: Solve for x
    x = 13,656,205,350.02/127,537.58
  6. Step 6: Final answer
    x = 107,075.93

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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.