Home / 348,415.20-521,966.70-179,360.10

Finding the Fourth Proportional to 348,415.20, 521,966.70 and 179,360.10

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Solution

The fourth proportional to 348,415.20, 521,966.70 and 179,360.10 is: 268,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,415.20 : 521,966.70 = 179,360.10 : x
  2. Step 2: Convert to fraction form
    348,415.20/521,966.70 = 179,360.10/x
  3. Step 3: Cross multiply
    348,415.20x = 521,966.70 × 179,360.10
  4. Step 4: Simplify right side
    348,415.20x = 93,619,999,508.67
  5. Step 5: Solve for x
    x = 93,619,999,508.67/348,415.20
  6. Step 6: Final answer
    x = 268,702.40

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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.