Home / 280,150.66-386,607.11-152,825.34

Finding the Fourth Proportional to 280,150.66, 386,607.11 and 152,825.34

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Solution

The fourth proportional to 280,150.66, 386,607.11 and 152,825.34 is: 210,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,150.66 : 386,607.11 = 152,825.34 : x
  2. Step 2: Convert to fraction form
    280,150.66/386,607.11 = 152,825.34/x
  3. Step 3: Cross multiply
    280,150.66x = 386,607.11 × 152,825.34
  4. Step 4: Simplify right side
    280,150.66x = 59,083,363,717.82
  5. Step 5: Solve for x
    x = 59,083,363,717.82/280,150.66
  6. Step 6: Final answer
    x = 210,898.53

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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.