Home / 177,693.53-245,217.02-101,219.71

Finding the Fourth Proportional to 177,693.53, 245,217.02 and 101,219.71

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Solution

The fourth proportional to 177,693.53, 245,217.02 and 101,219.71 is: 139,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,693.53 : 245,217.02 = 101,219.71 : x
  2. Step 2: Convert to fraction form
    177,693.53/245,217.02 = 101,219.71/x
  3. Step 3: Cross multiply
    177,693.53x = 245,217.02 × 101,219.71
  4. Step 4: Simplify right side
    177,693.53x = 24,820,795,561.47
  5. Step 5: Solve for x
    x = 24,820,795,561.47/177,693.53
  6. Step 6: Final answer
    x = 139,683.17

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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.