Home / 153,524.08-211,733.76-99,767.62

Finding the Fourth Proportional to 153,524.08, 211,733.76 and 99,767.62

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Solution

The fourth proportional to 153,524.08, 211,733.76 and 99,767.62 is: 137,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,524.08 : 211,733.76 = 99,767.62 : x
  2. Step 2: Convert to fraction form
    153,524.08/211,733.76 = 99,767.62/x
  3. Step 3: Cross multiply
    153,524.08x = 211,733.76 × 99,767.62
  4. Step 4: Simplify right side
    153,524.08x = 21,124,173,308.85
  5. Step 5: Solve for x
    x = 21,124,173,308.85/153,524.08
  6. Step 6: Final answer
    x = 137,595.18

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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.