Home / 192,419.10-288,774.45-125,837.10

Finding the Fourth Proportional to 192,419.10, 288,774.45 and 125,837.10

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Solution

The fourth proportional to 192,419.10, 288,774.45 and 125,837.10 is: 188,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,419.10 : 288,774.45 = 125,837.10 : x
  2. Step 2: Convert to fraction form
    192,419.10/288,774.45 = 125,837.10/x
  3. Step 3: Cross multiply
    192,419.10x = 288,774.45 × 125,837.10
  4. Step 4: Simplify right side
    192,419.10x = 36,338,539,342.10
  5. Step 5: Solve for x
    x = 36,338,539,342.10/192,419.10
  6. Step 6: Final answer
    x = 188,851.00

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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.