Home / 456,221.19-684,481.72-186,576.16

Finding the Fourth Proportional to 456,221.19, 684,481.72 and 186,576.16

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Solution

The fourth proportional to 456,221.19, 684,481.72 and 186,576.16 is: 279,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,221.19 : 684,481.72 = 186,576.16 : x
  2. Step 2: Convert to fraction form
    456,221.19/684,481.72 = 186,576.16/x
  3. Step 3: Cross multiply
    456,221.19x = 684,481.72 × 186,576.16
  4. Step 4: Simplify right side
    456,221.19x = 127,707,966,552.51
  5. Step 5: Solve for x
    x = 127,707,966,552.51/456,221.19
  6. Step 6: Final answer
    x = 279,925.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.