Home / 155,675.24-214,832.22-90,276.74

Finding the Fourth Proportional to 155,675.24, 214,832.22 and 90,276.74

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Solution

The fourth proportional to 155,675.24, 214,832.22 and 90,276.74 is: 124,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,675.24 : 214,832.22 = 90,276.74 : x
  2. Step 2: Convert to fraction form
    155,675.24/214,832.22 = 90,276.74/x
  3. Step 3: Cross multiply
    155,675.24x = 214,832.22 × 90,276.74
  4. Step 4: Simplify right side
    155,675.24x = 19,394,352,468.56
  5. Step 5: Solve for x
    x = 19,394,352,468.56/155,675.24
  6. Step 6: Final answer
    x = 124,582.13

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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.