Home / 186,307.43-257,137.88-109,822.10

Finding the Fourth Proportional to 186,307.43, 257,137.88 and 109,822.10

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Solution

The fourth proportional to 186,307.43, 257,137.88 and 109,822.10 is: 151,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,307.43 : 257,137.88 = 109,822.10 : x
  2. Step 2: Convert to fraction form
    186,307.43/257,137.88 = 109,822.10/x
  3. Step 3: Cross multiply
    186,307.43x = 257,137.88 × 109,822.10
  4. Step 4: Simplify right side
    186,307.43x = 28,239,420,136.35
  5. Step 5: Solve for x
    x = 28,239,420,136.35/186,307.43
  6. Step 6: Final answer
    x = 151,574.31

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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.