Home / 368,975.25-553,453.16-102,725.01

Finding the Fourth Proportional to 368,975.25, 553,453.16 and 102,725.01

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Solution

The fourth proportional to 368,975.25, 553,453.16 and 102,725.01 is: 154,084.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,975.25 : 553,453.16 = 102,725.01 : x
  2. Step 2: Convert to fraction form
    368,975.25/553,453.16 = 102,725.01/x
  3. Step 3: Cross multiply
    368,975.25x = 553,453.16 × 102,725.01
  4. Step 4: Simplify right side
    368,975.25x = 56,853,480,881.91
  5. Step 5: Solve for x
    x = 56,853,480,881.91/368,975.25
  6. Step 6: Final answer
    x = 154,084.81

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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.