Home / 251,192.12-346,559.38-155,663.96

Finding the Fourth Proportional to 251,192.12, 346,559.38 and 155,663.96

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Solution

The fourth proportional to 251,192.12, 346,559.38 and 155,663.96 is: 214,763.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,192.12 : 346,559.38 = 155,663.96 : x
  2. Step 2: Convert to fraction form
    251,192.12/346,559.38 = 155,663.96/x
  3. Step 3: Cross multiply
    251,192.12x = 346,559.38 × 155,663.96
  4. Step 4: Simplify right side
    251,192.12x = 53,946,805,465.94
  5. Step 5: Solve for x
    x = 53,946,805,465.94/251,192.12
  6. Step 6: Final answer
    x = 214,763.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.