Home / 104,307.28-156,490.08-34,235.80

Finding the Fourth Proportional to 104,307.28, 156,490.08 and 34,235.80

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Solution

The fourth proportional to 104,307.28, 156,490.08 and 34,235.80 is: 51,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,307.28 : 156,490.08 = 34,235.80 : x
  2. Step 2: Convert to fraction form
    104,307.28/156,490.08 = 34,235.80/x
  3. Step 3: Cross multiply
    104,307.28x = 156,490.08 × 34,235.80
  4. Step 4: Simplify right side
    104,307.28x = 5,357,562,561.25
  5. Step 5: Solve for x
    x = 5,357,562,561.25/104,307.28
  6. Step 6: Final answer
    x = 51,363.27

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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.