Home / 118,226.24-163,156.15-64,514.20

Finding the Fourth Proportional to 118,226.24, 163,156.15 and 64,514.20

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Solution

The fourth proportional to 118,226.24, 163,156.15 and 64,514.20 is: 89,031.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,226.24 : 163,156.15 = 64,514.20 : x
  2. Step 2: Convert to fraction form
    118,226.24/163,156.15 = 64,514.20/x
  3. Step 3: Cross multiply
    118,226.24x = 163,156.15 × 64,514.20
  4. Step 4: Simplify right side
    118,226.24x = 10,525,888,534.99
  5. Step 5: Solve for x
    x = 10,525,888,534.99/118,226.24
  6. Step 6: Final answer
    x = 89,031.75

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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.