Home / 146,505.40-219,729.30-48,009.40

Finding the Fourth Proportional to 146,505.40, 219,729.30 and 48,009.40

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Solution

The fourth proportional to 146,505.40, 219,729.30 and 48,009.40 is: 72,004.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,505.40 : 219,729.30 = 48,009.40 : x
  2. Step 2: Convert to fraction form
    146,505.40/219,729.30 = 48,009.40/x
  3. Step 3: Cross multiply
    146,505.40x = 219,729.30 × 48,009.40
  4. Step 4: Simplify right side
    146,505.40x = 10,549,071,855.42
  5. Step 5: Solve for x
    x = 10,549,071,855.42/146,505.40
  6. Step 6: Final answer
    x = 72,004.66

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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.