Home / 145,925.75-201,378.05-82,264.61

Finding the Fourth Proportional to 145,925.75, 201,378.05 and 82,264.61

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Solution

The fourth proportional to 145,925.75, 201,378.05 and 82,264.61 is: 113,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,925.75 : 201,378.05 = 82,264.61 : x
  2. Step 2: Convert to fraction form
    145,925.75/201,378.05 = 82,264.61/x
  3. Step 3: Cross multiply
    145,925.75x = 201,378.05 × 82,264.61
  4. Step 4: Simplify right side
    145,925.75x = 16,566,287,146.42
  5. Step 5: Solve for x
    x = 16,566,287,146.42/145,925.75
  6. Step 6: Final answer
    x = 113,525.45

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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.