Home / 305,436.10-458,044.34-105,702.24

Finding the Fourth Proportional to 305,436.10, 458,044.34 and 105,702.24

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Solution

The fourth proportional to 305,436.10, 458,044.34 and 105,702.24 is: 158,515.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,436.10 : 458,044.34 = 105,702.24 : x
  2. Step 2: Convert to fraction form
    305,436.10/458,044.34 = 105,702.24/x
  3. Step 3: Cross multiply
    305,436.10x = 458,044.34 × 105,702.24
  4. Step 4: Simplify right side
    305,436.10x = 48,416,312,757.32
  5. Step 5: Solve for x
    x = 48,416,312,757.32/305,436.10
  6. Step 6: Final answer
    x = 158,515.36

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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.