Home / 193,557.60-290,373.12-67,192.92

Finding the Fourth Proportional to 193,557.60, 290,373.12 and 67,192.92

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Solution

The fourth proportional to 193,557.60, 290,373.12 and 67,192.92 is: 100,802.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,557.60 : 290,373.12 = 67,192.92 : x
  2. Step 2: Convert to fraction form
    193,557.60/290,373.12 = 67,192.92/x
  3. Step 3: Cross multiply
    193,557.60x = 290,373.12 × 67,192.92
  4. Step 4: Simplify right side
    193,557.60x = 19,511,017,822.31
  5. Step 5: Solve for x
    x = 19,511,017,822.31/193,557.60
  6. Step 6: Final answer
    x = 100,802.13

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1.5x scale

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.