Home / 191,038.12-263,627.22-106,153

Finding the Fourth Proportional to 191,038.12, 263,627.22 and 106,153

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Solution

The fourth proportional to 191,038.12, 263,627.22 and 106,153 is: 146,488.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,038.12 : 263,627.22 = 106,153 : x
  2. Step 2: Convert to fraction form
    191,038.12/263,627.22 = 106,153/x
  3. Step 3: Cross multiply
    191,038.12x = 263,627.22 × 106,153
  4. Step 4: Simplify right side
    191,038.12x = 27,984,820,284.66
  5. Step 5: Solve for x
    x = 27,984,820,284.66/191,038.12
  6. Step 6: Final answer
    x = 146,488.15

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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.