Home / 145,967.40-201,452.94-82,303.92

Finding the Fourth Proportional to 145,967.40, 201,452.94 and 82,303.92

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Solution

The fourth proportional to 145,967.40, 201,452.94 and 82,303.92 is: 113,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,967.40 : 201,452.94 = 82,303.92 : x
  2. Step 2: Convert to fraction form
    145,967.40/201,452.94 = 82,303.92/x
  3. Step 3: Cross multiply
    145,967.40x = 201,452.94 × 82,303.92
  4. Step 4: Simplify right side
    145,967.40x = 16,580,366,657.52
  5. Step 5: Solve for x
    x = 16,580,366,657.52/145,967.40
  6. Step 6: Final answer
    x = 113,589.52

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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.