Home / 191,154.24-263,744.64-115,688.16

Finding the Fourth Proportional to 191,154.24, 263,744.64 and 115,688.16

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Solution

The fourth proportional to 191,154.24, 263,744.64 and 115,688.16 is: 159,620.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,154.24 : 263,744.64 = 115,688.16 : x
  2. Step 2: Convert to fraction form
    191,154.24/263,744.64 = 115,688.16/x
  3. Step 3: Cross multiply
    191,154.24x = 263,744.64 × 115,688.16
  4. Step 4: Simplify right side
    191,154.24x = 30,512,132,111.46
  5. Step 5: Solve for x
    x = 30,512,132,111.46/191,154.24
  6. Step 6: Final answer
    x = 159,620.48

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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.