Home / 145,506.54-200,823.75-107,463.72

Finding the Fourth Proportional to 145,506.54, 200,823.75 and 107,463.72

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Solution

The fourth proportional to 145,506.54, 200,823.75 and 107,463.72 is: 148,318.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,506.54 : 200,823.75 = 107,463.72 : x
  2. Step 2: Convert to fraction form
    145,506.54/200,823.75 = 107,463.72/x
  3. Step 3: Cross multiply
    145,506.54x = 200,823.75 × 107,463.72
  4. Step 4: Simplify right side
    145,506.54x = 21,581,267,239.35
  5. Step 5: Solve for x
    x = 21,581,267,239.35/145,506.54
  6. Step 6: Final answer
    x = 148,318.19

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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.