Home / 165,547.23-228,456.20-90,096.51

Finding the Fourth Proportional to 165,547.23, 228,456.20 and 90,096.51

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Solution

The fourth proportional to 165,547.23, 228,456.20 and 90,096.51 is: 124,333.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,547.23 : 228,456.20 = 90,096.51 : x
  2. Step 2: Convert to fraction form
    165,547.23/228,456.20 = 90,096.51/x
  3. Step 3: Cross multiply
    165,547.23x = 228,456.20 × 90,096.51
  4. Step 4: Simplify right side
    165,547.23x = 20,583,105,857.38
  5. Step 5: Solve for x
    x = 20,583,105,857.38/165,547.23
  6. Step 6: Final answer
    x = 124,333.74

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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.