Home / 329,823.15-455,166.10-186,580.32

Finding the Fourth Proportional to 329,823.15, 455,166.10 and 186,580.32

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Solution

The fourth proportional to 329,823.15, 455,166.10 and 186,580.32 is: 257,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,823.15 : 455,166.10 = 186,580.32 : x
  2. Step 2: Convert to fraction form
    329,823.15/455,166.10 = 186,580.32/x
  3. Step 3: Cross multiply
    329,823.15x = 455,166.10 × 186,580.32
  4. Step 4: Simplify right side
    329,823.15x = 84,925,036,591.15
  5. Step 5: Solve for x
    x = 84,925,036,591.15/329,823.15
  6. Step 6: Final answer
    x = 257,486.59

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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.