Home / 124,225.78-171,431.97-67,637.50

Finding the Fourth Proportional to 124,225.78, 171,431.97 and 67,637.50

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Solution

The fourth proportional to 124,225.78, 171,431.97 and 67,637.50 is: 93,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,225.78 : 171,431.97 = 67,637.50 : x
  2. Step 2: Convert to fraction form
    124,225.78/171,431.97 = 67,637.50/x
  3. Step 3: Cross multiply
    124,225.78x = 171,431.97 × 67,637.50
  4. Step 4: Simplify right side
    124,225.78x = 11,595,229,870.88
  5. Step 5: Solve for x
    x = 11,595,229,870.88/124,225.78
  6. Step 6: Final answer
    x = 93,339.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.