Home / 191,953.16-287,339.26-125,249.64

Finding the Fourth Proportional to 191,953.16, 287,339.26 and 125,249.64

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Solution

The fourth proportional to 191,953.16, 287,339.26 and 125,249.64 is: 187,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,953.16 : 287,339.26 = 125,249.64 : x
  2. Step 2: Convert to fraction form
    191,953.16/287,339.26 = 125,249.64/x
  3. Step 3: Cross multiply
    191,953.16x = 287,339.26 × 125,249.64
  4. Step 4: Simplify right side
    191,953.16x = 35,989,138,872.87
  5. Step 5: Solve for x
    x = 35,989,138,872.87/191,953.16
  6. Step 6: Final answer
    x = 187,489.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.