Home / 255,853.08-383,781.60-98,043.84

Finding the Fourth Proportional to 255,853.08, 383,781.60 and 98,043.84

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Solution

The fourth proportional to 255,853.08, 383,781.60 and 98,043.84 is: 147,066.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,853.08 : 383,781.60 = 98,043.84 : x
  2. Step 2: Convert to fraction form
    255,853.08/383,781.60 = 98,043.84/x
  3. Step 3: Cross multiply
    255,853.08x = 383,781.60 × 98,043.84
  4. Step 4: Simplify right side
    255,853.08x = 37,627,421,785.34
  5. Step 5: Solve for x
    x = 37,627,421,785.34/255,853.08
  6. Step 6: Final answer
    x = 147,066.52

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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.