Home / 191,015.66-263,585.76-104,970.12

Finding the Fourth Proportional to 191,015.66, 263,585.76 and 104,970.12

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Solution

The fourth proportional to 191,015.66, 263,585.76 and 104,970.12 is: 144,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,015.66 : 263,585.76 = 104,970.12 : x
  2. Step 2: Convert to fraction form
    191,015.66/263,585.76 = 104,970.12/x
  3. Step 3: Cross multiply
    191,015.66x = 263,585.76 × 104,970.12
  4. Step 4: Simplify right side
    191,015.66x = 27,668,627,539.56
  5. Step 5: Solve for x
    x = 27,668,627,539.56/191,015.66
  6. Step 6: Final answer
    x = 144,850.05

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1.5x scale

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.