Home / 209,044.28-288,569.43-141,153.18

Finding the Fourth Proportional to 209,044.28, 288,569.43 and 141,153.18

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Solution

The fourth proportional to 209,044.28, 288,569.43 and 141,153.18 is: 194,851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,044.28 : 288,569.43 = 141,153.18 : x
  2. Step 2: Convert to fraction form
    209,044.28/288,569.43 = 141,153.18/x
  3. Step 3: Cross multiply
    209,044.28x = 288,569.43 × 141,153.18
  4. Step 4: Simplify right side
    209,044.28x = 40,732,492,695.29
  5. Step 5: Solve for x
    x = 40,732,492,695.29/209,044.28
  6. Step 6: Final answer
    x = 194,851.03

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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.