Home / 147,215.15-220,702.04-52,391.34

Finding the Fourth Proportional to 147,215.15, 220,702.04 and 52,391.34

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Solution

The fourth proportional to 147,215.15, 220,702.04 and 52,391.34 is: 78,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,215.15 : 220,702.04 = 52,391.34 : x
  2. Step 2: Convert to fraction form
    147,215.15/220,702.04 = 52,391.34/x
  3. Step 3: Cross multiply
    147,215.15x = 220,702.04 × 52,391.34
  4. Step 4: Simplify right side
    147,215.15x = 11,562,874,693.43
  5. Step 5: Solve for x
    x = 11,562,874,693.43/147,215.15
  6. Step 6: Final answer
    x = 78,544.05

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1.5x scale

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.