Home / 150,925.52-208,286.16-87,285.44

Finding the Fourth Proportional to 150,925.52, 208,286.16 and 87,285.44

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Solution

The fourth proportional to 150,925.52, 208,286.16 and 87,285.44 is: 120,459.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,925.52 : 208,286.16 = 87,285.44 : x
  2. Step 2: Convert to fraction form
    150,925.52/208,286.16 = 87,285.44/x
  3. Step 3: Cross multiply
    150,925.52x = 208,286.16 × 87,285.44
  4. Step 4: Simplify right side
    150,925.52x = 18,180,349,121.51
  5. Step 5: Solve for x
    x = 18,180,349,121.51/150,925.52
  6. Step 6: Final answer
    x = 120,459.08

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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.