Home / 165,106.17-247,596.36-70,276.50

Finding the Fourth Proportional to 165,106.17, 247,596.36 and 70,276.50

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Solution

The fourth proportional to 165,106.17, 247,596.36 and 70,276.50 is: 105,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,106.17 : 247,596.36 = 70,276.50 : x
  2. Step 2: Convert to fraction form
    165,106.17/247,596.36 = 70,276.50/x
  3. Step 3: Cross multiply
    165,106.17x = 247,596.36 × 70,276.50
  4. Step 4: Simplify right side
    165,106.17x = 17,400,205,593.54
  5. Step 5: Solve for x
    x = 17,400,205,593.54/165,106.17
  6. Step 6: Final answer
    x = 105,387.98

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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.