Home / 176,629.63-243,755.31-101,192.71

Finding the Fourth Proportional to 176,629.63, 243,755.31 and 101,192.71

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Solution

The fourth proportional to 176,629.63, 243,755.31 and 101,192.71 is: 139,649.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,629.63 : 243,755.31 = 101,192.71 : x
  2. Step 2: Convert to fraction form
    176,629.63/243,755.31 = 101,192.71/x
  3. Step 3: Cross multiply
    176,629.63x = 243,755.31 × 101,192.71
  4. Step 4: Simplify right side
    176,629.63x = 24,666,260,395.79
  5. Step 5: Solve for x
    x = 24,666,260,395.79/176,629.63
  6. Step 6: Final answer
    x = 139,649.62

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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.