Home / 173,151.45-238,908.42-105,166.53

Finding the Fourth Proportional to 173,151.45, 238,908.42 and 105,166.53

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Solution

The fourth proportional to 173,151.45, 238,908.42 and 105,166.53 is: 145,105.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,151.45 : 238,908.42 = 105,166.53 : x
  2. Step 2: Convert to fraction form
    173,151.45/238,908.42 = 105,166.53/x
  3. Step 3: Cross multiply
    173,151.45x = 238,908.42 × 105,166.53
  4. Step 4: Simplify right side
    173,151.45x = 25,125,169,519.18
  5. Step 5: Solve for x
    x = 25,125,169,519.18/173,151.45
  6. Step 6: Final answer
    x = 145,105.16

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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.