Home / 124,290.18-171,520.74-67,700.34

Finding the Fourth Proportional to 124,290.18, 171,520.74 and 67,700.34

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Solution

The fourth proportional to 124,290.18, 171,520.74 and 67,700.34 is: 93,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,290.18 : 171,520.74 = 67,700.34 : x
  2. Step 2: Convert to fraction form
    124,290.18/171,520.74 = 67,700.34/x
  3. Step 3: Cross multiply
    124,290.18x = 171,520.74 × 67,700.34
  4. Step 4: Simplify right side
    124,290.18x = 11,612,012,415.05
  5. Step 5: Solve for x
    x = 11,612,012,415.05/124,290.18
  6. Step 6: Final answer
    x = 93,426.63

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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.