Home / 348,639.48-523,239.50-180,209.21

Finding the Fourth Proportional to 348,639.48, 523,239.50 and 180,209.21

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Solution

The fourth proportional to 348,639.48, 523,239.50 and 180,209.21 is: 270,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,639.48 : 523,239.50 = 180,209.21 : x
  2. Step 2: Convert to fraction form
    348,639.48/523,239.50 = 180,209.21/x
  3. Step 3: Cross multiply
    348,639.48x = 523,239.50 × 180,209.21
  4. Step 4: Simplify right side
    348,639.48x = 94,292,576,935.80
  5. Step 5: Solve for x
    x = 94,292,576,935.80/348,639.48
  6. Step 6: Final answer
    x = 270,458.69

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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.