Home / 165,973.64-229,015.86-157,566.92

Finding the Fourth Proportional to 165,973.64, 229,015.86 and 157,566.92

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Solution

The fourth proportional to 165,973.64, 229,015.86 and 157,566.92 is: 217,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,973.64 : 229,015.86 = 157,566.92 : x
  2. Step 2: Convert to fraction form
    165,973.64/229,015.86 = 157,566.92/x
  3. Step 3: Cross multiply
    165,973.64x = 229,015.86 × 157,566.92
  4. Step 4: Simplify right side
    165,973.64x = 36,085,323,691.35
  5. Step 5: Solve for x
    x = 36,085,323,691.35/165,973.64
  6. Step 6: Final answer
    x = 217,415.99

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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.