Home / 165,400.02-228,246.69-93,786.42

Finding the Fourth Proportional to 165,400.02, 228,246.69 and 93,786.42

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Solution

The fourth proportional to 165,400.02, 228,246.69 and 93,786.42 is: 129,422.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,400.02 : 228,246.69 = 93,786.42 : x
  2. Step 2: Convert to fraction form
    165,400.02/228,246.69 = 93,786.42/x
  3. Step 3: Cross multiply
    165,400.02x = 228,246.69 × 93,786.42
  4. Step 4: Simplify right side
    165,400.02x = 21,406,439,931.95
  5. Step 5: Solve for x
    x = 21,406,439,931.95/165,400.02
  6. Step 6: Final answer
    x = 129,422.23

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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.