Home / 155,048.73-232,261.70-70,692.86

Finding the Fourth Proportional to 155,048.73, 232,261.70 and 70,692.86

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Solution

The fourth proportional to 155,048.73, 232,261.70 and 70,692.86 is: 105,897.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,048.73 : 232,261.70 = 70,692.86 : x
  2. Step 2: Convert to fraction form
    155,048.73/232,261.70 = 70,692.86/x
  3. Step 3: Cross multiply
    155,048.73x = 232,261.70 × 70,692.86
  4. Step 4: Simplify right side
    155,048.73x = 16,419,243,841.46
  5. Step 5: Solve for x
    x = 16,419,243,841.46/155,048.73
  6. Step 6: Final answer
    x = 105,897.31

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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.