Home / 158,847.23-219,194.89-87,225.68

Finding the Fourth Proportional to 158,847.23, 219,194.89 and 87,225.68

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Solution

The fourth proportional to 158,847.23, 219,194.89 and 87,225.68 is: 120,363.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,847.23 : 219,194.89 = 87,225.68 : x
  2. Step 2: Convert to fraction form
    158,847.23/219,194.89 = 87,225.68/x
  3. Step 3: Cross multiply
    158,847.23x = 219,194.89 × 87,225.68
  4. Step 4: Simplify right side
    158,847.23x = 19,119,422,018.74
  5. Step 5: Solve for x
    x = 19,119,422,018.74/158,847.23
  6. Step 6: Final answer
    x = 120,363.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.