Home / 152,712.45-229,038.48-51,500.52

Finding the Fourth Proportional to 152,712.45, 229,038.48 and 51,500.52

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Solution

The fourth proportional to 152,712.45, 229,038.48 and 51,500.52 is: 77,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,712.45 : 229,038.48 = 51,500.52 : x
  2. Step 2: Convert to fraction form
    152,712.45/229,038.48 = 51,500.52/x
  3. Step 3: Cross multiply
    152,712.45x = 229,038.48 × 51,500.52
  4. Step 4: Simplify right side
    152,712.45x = 11,795,600,820.01
  5. Step 5: Solve for x
    x = 11,795,600,820.01/152,712.45
  6. Step 6: Final answer
    x = 77,240.60

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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.