Home / 118,231.96-163,159.45-64,516.81

Finding the Fourth Proportional to 118,231.96, 163,159.45 and 64,516.81

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Solution

The fourth proportional to 118,231.96, 163,159.45 and 64,516.81 is: 89,032.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,231.96 : 163,159.45 = 64,516.81 : x
  2. Step 2: Convert to fraction form
    118,231.96/163,159.45 = 64,516.81/x
  3. Step 3: Cross multiply
    118,231.96x = 163,159.45 × 64,516.81
  4. Step 4: Simplify right side
    118,231.96x = 10,526,527,235.35
  5. Step 5: Solve for x
    x = 10,526,527,235.35/118,231.96
  6. Step 6: Final answer
    x = 89,032.84

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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.