Home / 145,052.32-200,120.88-94,780.48

Finding the Fourth Proportional to 145,052.32, 200,120.88 and 94,780.48

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Solution

The fourth proportional to 145,052.32, 200,120.88 and 94,780.48 is: 130,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,052.32 : 200,120.88 = 94,780.48 : x
  2. Step 2: Convert to fraction form
    145,052.32/200,120.88 = 94,780.48/x
  3. Step 3: Cross multiply
    145,052.32x = 200,120.88 × 94,780.48
  4. Step 4: Simplify right side
    145,052.32x = 18,967,553,064.42
  5. Step 5: Solve for x
    x = 18,967,553,064.42/145,052.32
  6. Step 6: Final answer
    x = 130,763.53

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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.