Home / 153,655.42-230,429.82-53,813.41

Finding the Fourth Proportional to 153,655.42, 230,429.82 and 53,813.41

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Solution

The fourth proportional to 153,655.42, 230,429.82 and 53,813.41 is: 80,701.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,655.42 : 230,429.82 = 53,813.41 : x
  2. Step 2: Convert to fraction form
    153,655.42/230,429.82 = 53,813.41/x
  3. Step 3: Cross multiply
    153,655.42x = 230,429.82 × 53,813.41
  4. Step 4: Simplify right side
    153,655.42x = 12,400,213,227.74
  5. Step 5: Solve for x
    x = 12,400,213,227.74/153,655.42
  6. Step 6: Final answer
    x = 80,701.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.