Home / 118,198.01-163,115.30-64,483.47

Finding the Fourth Proportional to 118,198.01, 163,115.30 and 64,483.47

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Solution

The fourth proportional to 118,198.01, 163,115.30 and 64,483.47 is: 88,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,198.01 : 163,115.30 = 64,483.47 : x
  2. Step 2: Convert to fraction form
    118,198.01/163,115.30 = 64,483.47/x
  3. Step 3: Cross multiply
    118,198.01x = 163,115.30 × 64,483.47
  4. Step 4: Simplify right side
    118,198.01x = 10,518,240,554.09
  5. Step 5: Solve for x
    x = 10,518,240,554.09/118,198.01
  6. Step 6: Final answer
    x = 88,988.30

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1.5x scale

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.