Home / 197,809.28-272,971.12-116,136.17

Finding the Fourth Proportional to 197,809.28, 272,971.12 and 116,136.17

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Solution

The fourth proportional to 197,809.28, 272,971.12 and 116,136.17 is: 160,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,809.28 : 272,971.12 = 116,136.17 : x
  2. Step 2: Convert to fraction form
    197,809.28/272,971.12 = 116,136.17/x
  3. Step 3: Cross multiply
    197,809.28x = 272,971.12 × 116,136.17
  4. Step 4: Simplify right side
    197,809.28x = 31,701,820,397.41
  5. Step 5: Solve for x
    x = 31,701,820,397.41/197,809.28
  6. Step 6: Final answer
    x = 160,264.58

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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.