Home / 156,230.07-215,436.21-133,643.82

Finding the Fourth Proportional to 156,230.07, 215,436.21 and 133,643.82

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Solution

The fourth proportional to 156,230.07, 215,436.21 and 133,643.82 is: 184,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,230.07 : 215,436.21 = 133,643.82 : x
  2. Step 2: Convert to fraction form
    156,230.07/215,436.21 = 133,643.82/x
  3. Step 3: Cross multiply
    156,230.07x = 215,436.21 × 133,643.82
  4. Step 4: Simplify right side
    156,230.07x = 28,791,718,377.44
  5. Step 5: Solve for x
    x = 28,791,718,377.44/156,230.07
  6. Step 6: Final answer
    x = 184,290.51

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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.