Home / 191,155.24-263,795.25-105,119.77

Finding the Fourth Proportional to 191,155.24, 263,795.25 and 105,119.77

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Solution

The fourth proportional to 191,155.24, 263,795.25 and 105,119.77 is: 145,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,155.24 : 263,795.25 = 105,119.77 : x
  2. Step 2: Convert to fraction form
    191,155.24/263,795.25 = 105,119.77/x
  3. Step 3: Cross multiply
    191,155.24x = 263,795.25 × 105,119.77
  4. Step 4: Simplify right side
    191,155.24x = 27,730,094,688.12
  5. Step 5: Solve for x
    x = 27,730,094,688.12/191,155.24
  6. Step 6: Final answer
    x = 145,065.84

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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.