Home / 415,898.55-623,845.80-163,000.35

Finding the Fourth Proportional to 415,898.55, 623,845.80 and 163,000.35

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Solution

The fourth proportional to 415,898.55, 623,845.80 and 163,000.35 is: 244,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,898.55 : 623,845.80 = 163,000.35 : x
  2. Step 2: Convert to fraction form
    415,898.55/623,845.80 = 163,000.35/x
  3. Step 3: Cross multiply
    415,898.55x = 623,845.80 × 163,000.35
  4. Step 4: Simplify right side
    415,898.55x = 101,687,083,746.03
  5. Step 5: Solve for x
    x = 101,687,083,746.03/415,898.55
  6. Step 6: Final answer
    x = 244,499.73

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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.