Home / 314,455.32-433,880.82-187,106.04

Finding the Fourth Proportional to 314,455.32, 433,880.82 and 187,106.04

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Solution

The fourth proportional to 314,455.32, 433,880.82 and 187,106.04 is: 258,166.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,455.32 : 433,880.82 = 187,106.04 : x
  2. Step 2: Convert to fraction form
    314,455.32/433,880.82 = 187,106.04/x
  3. Step 3: Cross multiply
    314,455.32x = 433,880.82 × 187,106.04
  4. Step 4: Simplify right side
    314,455.32x = 81,181,722,062.15
  5. Step 5: Solve for x
    x = 81,181,722,062.15/314,455.32
  6. Step 6: Final answer
    x = 258,166.16

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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.