Home / 165,387.03-228,228.69-92,785.53

Finding the Fourth Proportional to 165,387.03, 228,228.69 and 92,785.53

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Solution

The fourth proportional to 165,387.03, 228,228.69 and 92,785.53 is: 128,041.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,387.03 : 228,228.69 = 92,785.53 : x
  2. Step 2: Convert to fraction form
    165,387.03/228,228.69 = 92,785.53/x
  3. Step 3: Cross multiply
    165,387.03x = 228,228.69 × 92,785.53
  4. Step 4: Simplify right side
    165,387.03x = 21,176,319,962.86
  5. Step 5: Solve for x
    x = 21,176,319,962.86/165,387.03
  6. Step 6: Final answer
    x = 128,041.00

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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.