Home / 153,253.27-211,514.86-89,578.77

Finding the Fourth Proportional to 153,253.27, 211,514.86 and 89,578.77

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Solution

The fourth proportional to 153,253.27, 211,514.86 and 89,578.77 is: 123,633.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,253.27 : 211,514.86 = 89,578.77 : x
  2. Step 2: Convert to fraction form
    153,253.27/211,514.86 = 89,578.77/x
  3. Step 3: Cross multiply
    153,253.27x = 211,514.86 × 89,578.77
  4. Step 4: Simplify right side
    153,253.27x = 18,947,240,995.52
  5. Step 5: Solve for x
    x = 18,947,240,995.52/153,253.27
  6. Step 6: Final answer
    x = 123,633.52

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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.