Home / 127,706.16-191,558.88-57,503.28

Finding the Fourth Proportional to 127,706.16, 191,558.88 and 57,503.28

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Solution

The fourth proportional to 127,706.16, 191,558.88 and 57,503.28 is: 86,254.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,706.16 : 191,558.88 = 57,503.28 : x
  2. Step 2: Convert to fraction form
    127,706.16/191,558.88 = 57,503.28/x
  3. Step 3: Cross multiply
    127,706.16x = 191,558.88 × 57,503.28
  4. Step 4: Simplify right side
    127,706.16x = 11,015,263,913.13
  5. Step 5: Solve for x
    x = 11,015,263,913.13/127,706.16
  6. Step 6: Final answer
    x = 86,254.76

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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.