Home / 118,182.38-163,088.91-64,467.81

Finding the Fourth Proportional to 118,182.38, 163,088.91 and 64,467.81

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Solution

The fourth proportional to 118,182.38, 163,088.91 and 64,467.81 is: 88,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,182.38 : 163,088.91 = 64,467.81 : x
  2. Step 2: Convert to fraction form
    118,182.38/163,088.91 = 64,467.81/x
  3. Step 3: Cross multiply
    118,182.38x = 163,088.91 × 64,467.81
  4. Step 4: Simplify right side
    118,182.38x = 10,513,984,862.99
  5. Step 5: Solve for x
    x = 10,513,984,862.99/118,182.38
  6. Step 6: Final answer
    x = 88,964.07

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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.