Home / 280,151.54-386,608.32-152,826.23

Finding the Fourth Proportional to 280,151.54, 386,608.32 and 152,826.23

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Solution

The fourth proportional to 280,151.54, 386,608.32 and 152,826.23 is: 210,899.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,151.54 : 386,608.32 = 152,826.23 : x
  2. Step 2: Convert to fraction form
    280,151.54/386,608.32 = 152,826.23/x
  3. Step 3: Cross multiply
    280,151.54x = 386,608.32 × 152,826.23
  4. Step 4: Simplify right side
    280,151.54x = 59,083,890,099.19
  5. Step 5: Solve for x
    x = 59,083,890,099.19/280,151.54
  6. Step 6: Final answer
    x = 210,899.75

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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.