Home / 146,501.70-219,898.35-71,706.30

Finding the Fourth Proportional to 146,501.70, 219,898.35 and 71,706.30

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Solution

The fourth proportional to 146,501.70, 219,898.35 and 71,706.30 is: 107,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,501.70 : 219,898.35 = 71,706.30 : x
  2. Step 2: Convert to fraction form
    146,501.70/219,898.35 = 71,706.30/x
  3. Step 3: Cross multiply
    146,501.70x = 219,898.35 × 71,706.30
  4. Step 4: Simplify right side
    146,501.70x = 15,768,097,054.61
  5. Step 5: Solve for x
    x = 15,768,097,054.61/146,501.70
  6. Step 6: Final answer
    x = 107,630.81

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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.