Home / 156,187.32-215,377.41-133,601.08

Finding the Fourth Proportional to 156,187.32, 215,377.41 and 133,601.08

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Solution

The fourth proportional to 156,187.32, 215,377.41 and 133,601.08 is: 184,231.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,187.32 : 215,377.41 = 133,601.08 : x
  2. Step 2: Convert to fraction form
    156,187.32/215,377.41 = 133,601.08/x
  3. Step 3: Cross multiply
    156,187.32x = 215,377.41 × 133,601.08
  4. Step 4: Simplify right side
    156,187.32x = 28,774,653,822.74
  5. Step 5: Solve for x
    x = 28,774,653,822.74/156,187.32
  6. Step 6: Final answer
    x = 184,231.69

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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.