Home / 406,091.24-609,110.92-125,585

Finding the Fourth Proportional to 406,091.24, 609,110.92 and 125,585

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Solution

The fourth proportional to 406,091.24, 609,110.92 and 125,585 is: 188,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,091.24 : 609,110.92 = 125,585 : x
  2. Step 2: Convert to fraction form
    406,091.24/609,110.92 = 125,585/x
  3. Step 3: Cross multiply
    406,091.24x = 609,110.92 × 125,585
  4. Step 4: Simplify right side
    406,091.24x = 76,495,194,888.20
  5. Step 5: Solve for x
    x = 76,495,194,888.20/406,091.24
  6. Step 6: Final answer
    x = 188,369.48

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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.