Home / 165,087.37-247,582.59-70,316.56

Finding the Fourth Proportional to 165,087.37, 247,582.59 and 70,316.56

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Solution

The fourth proportional to 165,087.37, 247,582.59 and 70,316.56 is: 105,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,087.37 : 247,582.59 = 70,316.56 : x
  2. Step 2: Convert to fraction form
    165,087.37/247,582.59 = 70,316.56/x
  3. Step 3: Cross multiply
    165,087.37x = 247,582.59 × 70,316.56
  4. Step 4: Simplify right side
    165,087.37x = 17,409,156,044.69
  5. Step 5: Solve for x
    x = 17,409,156,044.69/165,087.37
  6. Step 6: Final answer
    x = 105,454.20

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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.