Home / 127,381.29-191,071.70-33,887.04

Finding the Fourth Proportional to 127,381.29, 191,071.70 and 33,887.04

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Solution

The fourth proportional to 127,381.29, 191,071.70 and 33,887.04 is: 50,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,381.29 : 191,071.70 = 33,887.04 : x
  2. Step 2: Convert to fraction form
    127,381.29/191,071.70 = 33,887.04/x
  3. Step 3: Cross multiply
    127,381.29x = 191,071.70 × 33,887.04
  4. Step 4: Simplify right side
    127,381.29x = 6,474,854,340.77
  5. Step 5: Solve for x
    x = 6,474,854,340.77/127,381.29
  6. Step 6: Final answer
    x = 50,830.50

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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.