Home / 197,752.66-272,915.45-111,727.44

Finding the Fourth Proportional to 197,752.66, 272,915.45 and 111,727.44

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Solution

The fourth proportional to 197,752.66, 272,915.45 and 111,727.44 is: 154,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,752.66 : 272,915.45 = 111,727.44 : x
  2. Step 2: Convert to fraction form
    197,752.66/272,915.45 = 111,727.44/x
  3. Step 3: Cross multiply
    197,752.66x = 272,915.45 × 111,727.44
  4. Step 4: Simplify right side
    197,752.66x = 30,492,144,425.29
  5. Step 5: Solve for x
    x = 30,492,144,425.29/197,752.66
  6. Step 6: Final answer
    x = 154,193.35

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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.