Home / 155,848.32-214,970.95-108,084.24

Finding the Fourth Proportional to 155,848.32, 214,970.95 and 108,084.24

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Solution

The fourth proportional to 155,848.32, 214,970.95 and 108,084.24 is: 149,087.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,848.32 : 214,970.95 = 108,084.24 : x
  2. Step 2: Convert to fraction form
    155,848.32/214,970.95 = 108,084.24/x
  3. Step 3: Cross multiply
    155,848.32x = 214,970.95 × 108,084.24
  4. Step 4: Simplify right side
    155,848.32x = 23,234,971,752.83
  5. Step 5: Solve for x
    x = 23,234,971,752.83/155,848.32
  6. Step 6: Final answer
    x = 149,087.09

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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.