Home / 165,934.58-228,989.65-90,483.08

Finding the Fourth Proportional to 165,934.58, 228,989.65 and 90,483.08

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Solution

The fourth proportional to 165,934.58, 228,989.65 and 90,483.08 is: 124,866.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,934.58 : 228,989.65 = 90,483.08 : x
  2. Step 2: Convert to fraction form
    165,934.58/228,989.65 = 90,483.08/x
  3. Step 3: Cross multiply
    165,934.58x = 228,989.65 × 90,483.08
  4. Step 4: Simplify right side
    165,934.58x = 20,719,688,820.12
  5. Step 5: Solve for x
    x = 20,719,688,820.12/165,934.58
  6. Step 6: Final answer
    x = 124,866.61

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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.