Home / 153,216.87-211,435.41-88,677.18

Finding the Fourth Proportional to 153,216.87, 211,435.41 and 88,677.18

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Solution

The fourth proportional to 153,216.87, 211,435.41 and 88,677.18 is: 122,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,216.87 : 211,435.41 = 88,677.18 : x
  2. Step 2: Convert to fraction form
    153,216.87/211,435.41 = 88,677.18/x
  3. Step 3: Cross multiply
    153,216.87x = 211,435.41 × 88,677.18
  4. Step 4: Simplify right side
    153,216.87x = 18,749,496,243.48
  5. Step 5: Solve for x
    x = 18,749,496,243.48/153,216.87
  6. Step 6: Final answer
    x = 122,372.27

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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.