Home / 149,066.38-205,539.42-118,828.18

Finding the Fourth Proportional to 149,066.38, 205,539.42 and 118,828.18

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Solution

The fourth proportional to 149,066.38, 205,539.42 and 118,828.18 is: 163,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,066.38 : 205,539.42 = 118,828.18 : x
  2. Step 2: Convert to fraction form
    149,066.38/205,539.42 = 118,828.18/x
  3. Step 3: Cross multiply
    149,066.38x = 205,539.42 × 118,828.18
  4. Step 4: Simplify right side
    149,066.38x = 24,423,875,196.86
  5. Step 5: Solve for x
    x = 24,423,875,196.86/149,066.38
  6. Step 6: Final answer
    x = 163,845.63

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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.