Home / 118,182.19-163,091.16-64,467.21

Finding the Fourth Proportional to 118,182.19, 163,091.16 and 64,467.21

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Solution

The fourth proportional to 118,182.19, 163,091.16 and 64,467.21 is: 88,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,182.19 : 163,091.16 = 64,467.21 : x
  2. Step 2: Convert to fraction form
    118,182.19/163,091.16 = 64,467.21/x
  3. Step 3: Cross multiply
    118,182.19x = 163,091.16 × 64,467.21
  4. Step 4: Simplify right side
    118,182.19x = 10,514,032,060.86
  5. Step 5: Solve for x
    x = 10,514,032,060.86/118,182.19
  6. Step 6: Final answer
    x = 88,964.61

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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.