Home / 253,318.75-349,545.36-151,322.56

Finding the Fourth Proportional to 253,318.75, 349,545.36 and 151,322.56

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Solution

The fourth proportional to 253,318.75, 349,545.36 and 151,322.56 is: 208,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,318.75 : 349,545.36 = 151,322.56 : x
  2. Step 2: Convert to fraction form
    253,318.75/349,545.36 = 151,322.56/x
  3. Step 3: Cross multiply
    253,318.75x = 349,545.36 × 151,322.56
  4. Step 4: Simplify right side
    253,318.75x = 52,894,097,954.71
  5. Step 5: Solve for x
    x = 52,894,097,954.71/253,318.75
  6. Step 6: Final answer
    x = 208,804.51

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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.