Home / 118,384.29-163,370.39-64,669.95

Finding the Fourth Proportional to 118,384.29, 163,370.39 and 64,669.95

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Solution

The fourth proportional to 118,384.29, 163,370.39 and 64,669.95 is: 89,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,384.29 : 163,370.39 = 64,669.95 : x
  2. Step 2: Convert to fraction form
    118,384.29/163,370.39 = 64,669.95/x
  3. Step 3: Cross multiply
    118,384.29x = 163,370.39 × 64,669.95
  4. Step 4: Simplify right side
    118,384.29x = 10,565,154,629.43
  5. Step 5: Solve for x
    x = 10,565,154,629.43/118,384.29
  6. Step 6: Final answer
    x = 89,244.57

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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.