Home / 348,639.20-522,896-92,473.60

Finding the Fourth Proportional to 348,639.20, 522,896 and 92,473.60

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Solution

The fourth proportional to 348,639.20, 522,896 and 92,473.60 is: 138,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,639.20 : 522,896 = 92,473.60 : x
  2. Step 2: Convert to fraction form
    348,639.20/522,896 = 92,473.60/x
  3. Step 3: Cross multiply
    348,639.20x = 522,896 × 92,473.60
  4. Step 4: Simplify right side
    348,639.20x = 48,354,075,545.60
  5. Step 5: Solve for x
    x = 48,354,075,545.60/348,639.20
  6. Step 6: Final answer
    x = 138,693.74

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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.