Home / 150,854.76-208,216.98-87,183.36

Finding the Fourth Proportional to 150,854.76, 208,216.98 and 87,183.36

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Solution

The fourth proportional to 150,854.76, 208,216.98 and 87,183.36 is: 120,334.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,854.76 : 208,216.98 = 87,183.36 : x
  2. Step 2: Convert to fraction form
    150,854.76/208,216.98 = 87,183.36/x
  3. Step 3: Cross multiply
    150,854.76x = 208,216.98 × 87,183.36
  4. Step 4: Simplify right side
    150,854.76x = 18,153,055,925.45
  5. Step 5: Solve for x
    x = 18,153,055,925.45/150,854.76
  6. Step 6: Final answer
    x = 120,334.66

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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.