Home / 191,081.16-263,690.10-106,196.40

Finding the Fourth Proportional to 191,081.16, 263,690.10 and 106,196.40

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Solution

The fourth proportional to 191,081.16, 263,690.10 and 106,196.40 is: 146,549.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,081.16 : 263,690.10 = 106,196.40 : x
  2. Step 2: Convert to fraction form
    191,081.16/263,690.10 = 106,196.40/x
  3. Step 3: Cross multiply
    191,081.16x = 263,690.10 × 106,196.40
  4. Step 4: Simplify right side
    191,081.16x = 28,002,939,335.64
  5. Step 5: Solve for x
    x = 28,002,939,335.64/191,081.16
  6. Step 6: Final answer
    x = 146,549.98

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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.