Home / 191,427.04-264,171.32-105,394.69

Finding the Fourth Proportional to 191,427.04, 264,171.32 and 105,394.69

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Solution

The fourth proportional to 191,427.04, 264,171.32 and 105,394.69 is: 145,445.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,427.04 : 264,171.32 = 105,394.69 : x
  2. Step 2: Convert to fraction form
    191,427.04/264,171.32 = 105,394.69/x
  3. Step 3: Cross multiply
    191,427.04x = 264,171.32 × 105,394.69
  4. Step 4: Simplify right side
    191,427.04x = 27,842,254,378.29
  5. Step 5: Solve for x
    x = 27,842,254,378.29/191,427.04
  6. Step 6: Final answer
    x = 145,445.78

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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.