Home / 150,346.12-225,593.28-70,389.50

Finding the Fourth Proportional to 150,346.12, 225,593.28 and 70,389.50

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Solution

The fourth proportional to 150,346.12, 225,593.28 and 70,389.50 is: 105,618.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,346.12 : 225,593.28 = 70,389.50 : x
  2. Step 2: Convert to fraction form
    150,346.12/225,593.28 = 70,389.50/x
  3. Step 3: Cross multiply
    150,346.12x = 225,593.28 × 70,389.50
  4. Step 4: Simplify right side
    150,346.12x = 15,879,397,649.32
  5. Step 5: Solve for x
    x = 15,879,397,649.32/150,346.12
  6. Step 6: Final answer
    x = 105,618.94

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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.