Home / 189,552.96-261,488.64-113,018.16

Finding the Fourth Proportional to 189,552.96, 261,488.64 and 113,018.16

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Solution

The fourth proportional to 189,552.96, 261,488.64 and 113,018.16 is: 155,908.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,552.96 : 261,488.64 = 113,018.16 : x
  2. Step 2: Convert to fraction form
    189,552.96/261,488.64 = 113,018.16/x
  3. Step 3: Cross multiply
    189,552.96x = 261,488.64 × 113,018.16
  4. Step 4: Simplify right side
    189,552.96x = 29,552,964,953.70
  5. Step 5: Solve for x
    x = 29,552,964,953.70/189,552.96
  6. Step 6: Final answer
    x = 155,908.75

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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.