Home / 118,384.44-163,159.25-89,635.24

Finding the Fourth Proportional to 118,384.44, 163,159.25 and 89,635.24

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Solution

The fourth proportional to 118,384.44, 163,159.25 and 89,635.24 is: 123,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,384.44 : 163,159.25 = 89,635.24 : x
  2. Step 2: Convert to fraction form
    118,384.44/163,159.25 = 89,635.24/x
  3. Step 3: Cross multiply
    118,384.44x = 163,159.25 × 89,635.24
  4. Step 4: Simplify right side
    118,384.44x = 14,624,818,287.74
  5. Step 5: Solve for x
    x = 14,624,818,287.74/118,384.44
  6. Step 6: Final answer
    x = 123,536.66

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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.