Home / 314,103.78-433,367.28-178,130.70

Finding the Fourth Proportional to 314,103.78, 433,367.28 and 178,130.70

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Solution

The fourth proportional to 314,103.78, 433,367.28 and 178,130.70 is: 245,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,103.78 : 433,367.28 = 178,130.70 : x
  2. Step 2: Convert to fraction form
    314,103.78/433,367.28 = 178,130.70/x
  3. Step 3: Cross multiply
    314,103.78x = 433,367.28 × 178,130.70
  4. Step 4: Simplify right side
    314,103.78x = 77,196,016,943.50
  5. Step 5: Solve for x
    x = 77,196,016,943.50/314,103.78
  6. Step 6: Final answer
    x = 245,765.96

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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.