Home / 175,630.40-263,445.60-172,558.40

Finding the Fourth Proportional to 175,630.40, 263,445.60 and 172,558.40

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Solution

The fourth proportional to 175,630.40, 263,445.60 and 172,558.40 is: 258,837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,630.40 : 263,445.60 = 172,558.40 : x
  2. Step 2: Convert to fraction form
    175,630.40/263,445.60 = 172,558.40/x
  3. Step 3: Cross multiply
    175,630.40x = 263,445.60 × 172,558.40
  4. Step 4: Simplify right side
    175,630.40x = 45,459,751,223.04
  5. Step 5: Solve for x
    x = 45,459,751,223.04/175,630.40
  6. Step 6: Final answer
    x = 258,837.60

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1.5x scale

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.