Home / 127,087.96-190,693.50-52,263.40

Finding the Fourth Proportional to 127,087.96, 190,693.50 and 52,263.40

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Solution

The fourth proportional to 127,087.96, 190,693.50 and 52,263.40 is: 78,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,087.96 : 190,693.50 = 52,263.40 : x
  2. Step 2: Convert to fraction form
    127,087.96/190,693.50 = 52,263.40/x
  3. Step 3: Cross multiply
    127,087.96x = 190,693.50 × 52,263.40
  4. Step 4: Simplify right side
    127,087.96x = 9,966,290,667.90
  5. Step 5: Solve for x
    x = 9,966,290,667.90/127,087.96
  6. Step 6: Final answer
    x = 78,420.42

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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.