Home / 347,832.90-521,445.60-134,746.20

Finding the Fourth Proportional to 347,832.90, 521,445.60 and 134,746.20

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Solution

The fourth proportional to 347,832.90, 521,445.60 and 134,746.20 is: 202,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,832.90 : 521,445.60 = 134,746.20 : x
  2. Step 2: Convert to fraction form
    347,832.90/521,445.60 = 134,746.20/x
  3. Step 3: Cross multiply
    347,832.90x = 521,445.60 × 134,746.20
  4. Step 4: Simplify right side
    347,832.90x = 70,262,813,106.72
  5. Step 5: Solve for x
    x = 70,262,813,106.72/347,832.90
  6. Step 6: Final answer
    x = 202,001.63

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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.