Home / 153,520.37-211,859.54-84,612.29

Finding the Fourth Proportional to 153,520.37, 211,859.54 and 84,612.29

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Solution

The fourth proportional to 153,520.37, 211,859.54 and 84,612.29 is: 116,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,520.37 : 211,859.54 = 84,612.29 : x
  2. Step 2: Convert to fraction form
    153,520.37/211,859.54 = 84,612.29/x
  3. Step 3: Cross multiply
    153,520.37x = 211,859.54 × 84,612.29
  4. Step 4: Simplify right side
    153,520.37x = 17,925,919,989.98
  5. Step 5: Solve for x
    x = 17,925,919,989.98/153,520.37
  6. Step 6: Final answer
    x = 116,765.75

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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.