Home / 118,305.55-163,263.97-64,590.71

Finding the Fourth Proportional to 118,305.55, 163,263.97 and 64,590.71

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Solution

The fourth proportional to 118,305.55, 163,263.97 and 64,590.71 is: 89,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,305.55 : 163,263.97 = 64,590.71 : x
  2. Step 2: Convert to fraction form
    118,305.55/163,263.97 = 64,590.71/x
  3. Step 3: Cross multiply
    118,305.55x = 163,263.97 × 64,590.71
  4. Step 4: Simplify right side
    118,305.55x = 10,545,334,923.40
  5. Step 5: Solve for x
    x = 10,545,334,923.40/118,305.55
  6. Step 6: Final answer
    x = 89,136.43

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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.