Home / 118,670.72-163,762.29-67,682.25

Finding the Fourth Proportional to 118,670.72, 163,762.29 and 67,682.25

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Solution

The fourth proportional to 118,670.72, 163,762.29 and 67,682.25 is: 93,399.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,670.72 : 163,762.29 = 67,682.25 : x
  2. Step 2: Convert to fraction form
    118,670.72/163,762.29 = 67,682.25/x
  3. Step 3: Cross multiply
    118,670.72x = 163,762.29 × 67,682.25
  4. Step 4: Simplify right side
    118,670.72x = 11,083,800,252.35
  5. Step 5: Solve for x
    x = 11,083,800,252.35/118,670.72
  6. Step 6: Final answer
    x = 93,399.62

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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.