Home / 153,357.20-229,923.50-72,276.60

Finding the Fourth Proportional to 153,357.20, 229,923.50 and 72,276.60

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Solution

The fourth proportional to 153,357.20, 229,923.50 and 72,276.60 is: 108,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,357.20 : 229,923.50 = 72,276.60 : x
  2. Step 2: Convert to fraction form
    153,357.20/229,923.50 = 72,276.60/x
  3. Step 3: Cross multiply
    153,357.20x = 229,923.50 × 72,276.60
  4. Step 4: Simplify right side
    153,357.20x = 16,618,088,840.10
  5. Step 5: Solve for x
    x = 16,618,088,840.10/153,357.20
  6. Step 6: Final answer
    x = 108,361.98

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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.