Home / 152,937.20-211,087.08-84,977.53

Finding the Fourth Proportional to 152,937.20, 211,087.08 and 84,977.53

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Solution

The fourth proportional to 152,937.20, 211,087.08 and 84,977.53 is: 117,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,937.20 : 211,087.08 = 84,977.53 : x
  2. Step 2: Convert to fraction form
    152,937.20/211,087.08 = 84,977.53/x
  3. Step 3: Cross multiply
    152,937.20x = 211,087.08 × 84,977.53
  4. Step 4: Simplify right side
    152,937.20x = 17,937,658,673.31
  5. Step 5: Solve for x
    x = 17,937,658,673.31/152,937.20
  6. Step 6: Final answer
    x = 117,287.74

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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.