Home / 155,048.48-232,261.32-70,692.61

Finding the Fourth Proportional to 155,048.48, 232,261.32 and 70,692.61

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Solution

The fourth proportional to 155,048.48, 232,261.32 and 70,692.61 is: 105,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,048.48 : 232,261.32 = 70,692.61 : x
  2. Step 2: Convert to fraction form
    155,048.48/232,261.32 = 70,692.61/x
  3. Step 3: Cross multiply
    155,048.48x = 232,261.32 × 70,692.61
  4. Step 4: Simplify right side
    155,048.48x = 16,419,158,332.19
  5. Step 5: Solve for x
    x = 16,419,158,332.19/155,048.48
  6. Step 6: Final answer
    x = 105,896.93

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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.