Home / 153,096.07-229,152.75-81,840.52

Finding the Fourth Proportional to 153,096.07, 229,152.75 and 81,840.52

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Solution

The fourth proportional to 153,096.07, 229,152.75 and 81,840.52 is: 122,498.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,096.07 : 229,152.75 = 81,840.52 : x
  2. Step 2: Convert to fraction form
    153,096.07/229,152.75 = 81,840.52/x
  3. Step 3: Cross multiply
    153,096.07x = 229,152.75 × 81,840.52
  4. Step 4: Simplify right side
    153,096.07x = 18,753,980,219.43
  5. Step 5: Solve for x
    x = 18,753,980,219.43/153,096.07
  6. Step 6: Final answer
    x = 122,498.12

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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.