Home / 316,053.28-436,152.48-188,803.36

Finding the Fourth Proportional to 316,053.28, 436,152.48 and 188,803.36

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Solution

The fourth proportional to 316,053.28, 436,152.48 and 188,803.36 is: 260,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,053.28 : 436,152.48 = 188,803.36 : x
  2. Step 2: Convert to fraction form
    316,053.28/436,152.48 = 188,803.36/x
  3. Step 3: Cross multiply
    316,053.28x = 436,152.48 × 188,803.36
  4. Step 4: Simplify right side
    316,053.28x = 82,347,053,696.33
  5. Step 5: Solve for x
    x = 82,347,053,696.33/316,053.28
  6. Step 6: Final answer
    x = 260,548.01

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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.