Home / 262,340.28-393,547.08-129,221.64

Finding the Fourth Proportional to 262,340.28, 393,547.08 and 129,221.64

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Solution

The fourth proportional to 262,340.28, 393,547.08 and 129,221.64 is: 193,850.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,340.28 : 393,547.08 = 129,221.64 : x
  2. Step 2: Convert to fraction form
    262,340.28/393,547.08 = 129,221.64/x
  3. Step 3: Cross multiply
    262,340.28x = 393,547.08 × 129,221.64
  4. Step 4: Simplify right side
    262,340.28x = 50,854,799,094.81
  5. Step 5: Solve for x
    x = 50,854,799,094.81/262,340.28
  6. Step 6: Final answer
    x = 193,850.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.