Home / 292,667.18-438,990.75-124,078.95

Finding the Fourth Proportional to 292,667.18, 438,990.75 and 124,078.95

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Solution

The fourth proportional to 292,667.18, 438,990.75 and 124,078.95 is: 186,114.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,667.18 : 438,990.75 = 124,078.95 : x
  2. Step 2: Convert to fraction form
    292,667.18/438,990.75 = 124,078.95/x
  3. Step 3: Cross multiply
    292,667.18x = 438,990.75 × 124,078.95
  4. Step 4: Simplify right side
    292,667.18x = 54,469,509,518.40
  5. Step 5: Solve for x
    x = 54,469,509,518.40/292,667.18
  6. Step 6: Final answer
    x = 186,114.17

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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.