Home / 152,933.88-211,041.48-84,955.20

Finding the Fourth Proportional to 152,933.88, 211,041.48 and 84,955.20

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Solution

The fourth proportional to 152,933.88, 211,041.48 and 84,955.20 is: 117,234.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,933.88 : 211,041.48 = 84,955.20 : x
  2. Step 2: Convert to fraction form
    152,933.88/211,041.48 = 84,955.20/x
  3. Step 3: Cross multiply
    152,933.88x = 211,041.48 × 84,955.20
  4. Step 4: Simplify right side
    152,933.88x = 17,929,071,141.70
  5. Step 5: Solve for x
    x = 17,929,071,141.70/152,933.88
  6. Step 6: Final answer
    x = 117,234.14

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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.