Home / 265,123.41-397,633.77-103,017.18

Finding the Fourth Proportional to 265,123.41, 397,633.77 and 103,017.18

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Solution

The fourth proportional to 265,123.41, 397,633.77 and 103,017.18 is: 154,505.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,123.41 : 397,633.77 = 103,017.18 : x
  2. Step 2: Convert to fraction form
    265,123.41/397,633.77 = 103,017.18/x
  3. Step 3: Cross multiply
    265,123.41x = 397,633.77 × 103,017.18
  4. Step 4: Simplify right side
    265,123.41x = 40,963,109,658.17
  5. Step 5: Solve for x
    x = 40,963,109,658.17/265,123.41
  6. Step 6: Final answer
    x = 154,505.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.