Home / 118,925.72-164,116.14-68,623.64

Finding the Fourth Proportional to 118,925.72, 164,116.14 and 68,623.64

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Solution

The fourth proportional to 118,925.72, 164,116.14 and 68,623.64 is: 94,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,925.72 : 164,116.14 = 68,623.64 : x
  2. Step 2: Convert to fraction form
    118,925.72/164,116.14 = 68,623.64/x
  3. Step 3: Cross multiply
    118,925.72x = 164,116.14 × 68,623.64
  4. Step 4: Simplify right side
    118,925.72x = 11,262,246,909.55
  5. Step 5: Solve for x
    x = 11,262,246,909.55/118,925.72
  6. Step 6: Final answer
    x = 94,699.84

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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.