Home / 136,490.67-188,355.51-76,061.16

Finding the Fourth Proportional to 136,490.67, 188,355.51 and 76,061.16

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Solution

The fourth proportional to 136,490.67, 188,355.51 and 76,061.16 is: 104,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,490.67 : 188,355.51 = 76,061.16 : x
  2. Step 2: Convert to fraction form
    136,490.67/188,355.51 = 76,061.16/x
  3. Step 3: Cross multiply
    136,490.67x = 188,355.51 × 76,061.16
  4. Step 4: Simplify right side
    136,490.67x = 14,326,538,582.99
  5. Step 5: Solve for x
    x = 14,326,538,582.99/136,490.67
  6. Step 6: Final answer
    x = 104,963.50

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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.