Home / 153,828.40-230,742.60-133,092.40

Finding the Fourth Proportional to 153,828.40, 230,742.60 and 133,092.40

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Solution

The fourth proportional to 153,828.40, 230,742.60 and 133,092.40 is: 199,638.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,828.40 : 230,742.60 = 133,092.40 : x
  2. Step 2: Convert to fraction form
    153,828.40/230,742.60 = 133,092.40/x
  3. Step 3: Cross multiply
    153,828.40x = 230,742.60 × 133,092.40
  4. Step 4: Simplify right side
    153,828.40x = 30,710,086,416.24
  5. Step 5: Solve for x
    x = 30,710,086,416.24/153,828.40
  6. Step 6: Final answer
    x = 199,638.60

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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.