Home / 153,153.40-211,359.92-89,528.44

Finding the Fourth Proportional to 153,153.40, 211,359.92 and 89,528.44

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Solution

The fourth proportional to 153,153.40, 211,359.92 and 89,528.44 is: 123,554.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,153.40 : 211,359.92 = 89,528.44 : x
  2. Step 2: Convert to fraction form
    153,153.40/211,359.92 = 89,528.44/x
  3. Step 3: Cross multiply
    153,153.40x = 211,359.92 × 89,528.44
  4. Step 4: Simplify right side
    153,153.40x = 18,922,723,916.12
  5. Step 5: Solve for x
    x = 18,922,723,916.12/153,153.40
  6. Step 6: Final answer
    x = 123,554.06

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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.