Home / 148,083.04-204,142.03-105,567.76

Finding the Fourth Proportional to 148,083.04, 204,142.03 and 105,567.76

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Solution

The fourth proportional to 148,083.04, 204,142.03 and 105,567.76 is: 145,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,083.04 : 204,142.03 = 105,567.76 : x
  2. Step 2: Convert to fraction form
    148,083.04/204,142.03 = 105,567.76/x
  3. Step 3: Cross multiply
    148,083.04x = 204,142.03 × 105,567.76
  4. Step 4: Simplify right side
    148,083.04x = 21,550,816,828.95
  5. Step 5: Solve for x
    x = 21,550,816,828.95/148,083.04
  6. Step 6: Final answer
    x = 145,531.97

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1.5x scale

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.