Home / 314,822.58-472,094.91-90,132.03

Finding the Fourth Proportional to 314,822.58, 472,094.91 and 90,132.03

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Solution

The fourth proportional to 314,822.58, 472,094.91 and 90,132.03 is: 135,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,822.58 : 472,094.91 = 90,132.03 : x
  2. Step 2: Convert to fraction form
    314,822.58/472,094.91 = 90,132.03/x
  3. Step 3: Cross multiply
    314,822.58x = 472,094.91 × 90,132.03
  4. Step 4: Simplify right side
    314,822.58x = 42,550,872,590.97
  5. Step 5: Solve for x
    x = 42,550,872,590.97/314,822.58
  6. Step 6: Final answer
    x = 135,158.26

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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.