Home / 165,613.20-228,547.08-90,162.24

Finding the Fourth Proportional to 165,613.20, 228,547.08 and 90,162.24

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Solution

The fourth proportional to 165,613.20, 228,547.08 and 90,162.24 is: 124,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,613.20 : 228,547.08 = 90,162.24 : x
  2. Step 2: Convert to fraction form
    165,613.20/228,547.08 = 90,162.24/x
  3. Step 3: Cross multiply
    165,613.20x = 228,547.08 × 90,162.24
  4. Step 4: Simplify right side
    165,613.20x = 20,606,316,678.26
  5. Step 5: Solve for x
    x = 20,606,316,678.26/165,613.20
  6. Step 6: Final answer
    x = 124,424.36

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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.