Home / 134,801.40-186,026.58-74,372.04

Finding the Fourth Proportional to 134,801.40, 186,026.58 and 74,372.04

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Solution

The fourth proportional to 134,801.40, 186,026.58 and 74,372.04 is: 102,633.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,801.40 : 186,026.58 = 74,372.04 : x
  2. Step 2: Convert to fraction form
    134,801.40/186,026.58 = 74,372.04/x
  3. Step 3: Cross multiply
    134,801.40x = 186,026.58 × 74,372.04
  4. Step 4: Simplify right side
    134,801.40x = 13,835,176,248.82
  5. Step 5: Solve for x
    x = 13,835,176,248.82/134,801.40
  6. Step 6: Final answer
    x = 102,633.77

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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.