Home / 209,342.79-314,043.35-76,198.23

Finding the Fourth Proportional to 209,342.79, 314,043.35 and 76,198.23

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Solution

The fourth proportional to 209,342.79, 314,043.35 and 76,198.23 is: 114,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,342.79 : 314,043.35 = 76,198.23 : x
  2. Step 2: Convert to fraction form
    209,342.79/314,043.35 = 76,198.23/x
  3. Step 3: Cross multiply
    209,342.79x = 314,043.35 × 76,198.23
  4. Step 4: Simplify right side
    209,342.79x = 23,929,547,032.28
  5. Step 5: Solve for x
    x = 23,929,547,032.28/209,342.79
  6. Step 6: Final answer
    x = 114,307.96

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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.