Home / 319,182.22-478,610.16-105,873.13

Finding the Fourth Proportional to 319,182.22, 478,610.16 and 105,873.13

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Solution

The fourth proportional to 319,182.22, 478,610.16 and 105,873.13 is: 158,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,182.22 : 478,610.16 = 105,873.13 : x
  2. Step 2: Convert to fraction form
    319,182.22/478,610.16 = 105,873.13/x
  3. Step 3: Cross multiply
    319,182.22x = 478,610.16 × 105,873.13
  4. Step 4: Simplify right side
    319,182.22x = 50,671,955,689.00
  5. Step 5: Solve for x
    x = 50,671,955,689.00/319,182.22
  6. Step 6: Final answer
    x = 158,755.57

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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.