Home / 307,153.32-423,726.66-179,750.04

Finding the Fourth Proportional to 307,153.32, 423,726.66 and 179,750.04

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Solution

The fourth proportional to 307,153.32, 423,726.66 and 179,750.04 is: 247,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,153.32 : 423,726.66 = 179,750.04 : x
  2. Step 2: Convert to fraction form
    307,153.32/423,726.66 = 179,750.04/x
  3. Step 3: Cross multiply
    307,153.32x = 423,726.66 × 179,750.04
  4. Step 4: Simplify right side
    307,153.32x = 76,164,884,084.07
  5. Step 5: Solve for x
    x = 76,164,884,084.07/307,153.32
  6. Step 6: Final answer
    x = 247,970.25

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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.