Home / 165,421.12-228,098.80-114,345.17

Finding the Fourth Proportional to 165,421.12, 228,098.80 and 114,345.17

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Solution

The fourth proportional to 165,421.12, 228,098.80 and 114,345.17 is: 157,670.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,421.12 : 228,098.80 = 114,345.17 : x
  2. Step 2: Convert to fraction form
    165,421.12/228,098.80 = 114,345.17/x
  3. Step 3: Cross multiply
    165,421.12x = 228,098.80 × 114,345.17
  4. Step 4: Simplify right side
    165,421.12x = 26,081,996,062.80
  5. Step 5: Solve for x
    x = 26,081,996,062.80/165,421.12
  6. Step 6: Final answer
    x = 157,670.29

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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.