Home / 118,237.76-163,167.36-64,521.68

Finding the Fourth Proportional to 118,237.76, 163,167.36 and 64,521.68

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Solution

The fourth proportional to 118,237.76, 163,167.36 and 64,521.68 is: 89,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,237.76 : 163,167.36 = 64,521.68 : x
  2. Step 2: Convert to fraction form
    118,237.76/163,167.36 = 64,521.68/x
  3. Step 3: Cross multiply
    118,237.76x = 163,167.36 × 64,521.68
  4. Step 4: Simplify right side
    118,237.76x = 10,527,832,188.36
  5. Step 5: Solve for x
    x = 10,527,832,188.36/118,237.76
  6. Step 6: Final answer
    x = 89,039.51

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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.