Home / 153,385.14-230,088.22-52,142.00

Finding the Fourth Proportional to 153,385.14, 230,088.22 and 52,142.00

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Solution

The fourth proportional to 153,385.14, 230,088.22 and 52,142.00 is: 78,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,385.14 : 230,088.22 = 52,142.00 : x
  2. Step 2: Convert to fraction form
    153,385.14/230,088.22 = 52,142.00/x
  3. Step 3: Cross multiply
    153,385.14x = 230,088.22 × 52,142.00
  4. Step 4: Simplify right side
    153,385.14x = 11,997,258,833.09
  5. Step 5: Solve for x
    x = 11,997,258,833.09/153,385.14
  6. Step 6: Final answer
    x = 78,216.56

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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.