Home / 124,193.50-171,387.05-67,605.30

Finding the Fourth Proportional to 124,193.50, 171,387.05 and 67,605.30

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Solution

The fourth proportional to 124,193.50, 171,387.05 and 67,605.30 is: 93,295.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,193.50 : 171,387.05 = 67,605.30 : x
  2. Step 2: Convert to fraction form
    124,193.50/171,387.05 = 67,605.30/x
  3. Step 3: Cross multiply
    124,193.50x = 171,387.05 × 67,605.30
  4. Step 4: Simplify right side
    124,193.50x = 11,586,672,931.37
  5. Step 5: Solve for x
    x = 11,586,672,931.37/124,193.50
  6. Step 6: Final answer
    x = 93,295.32

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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.