Home / 207,924.02-312,411.54-199,516.50

Finding the Fourth Proportional to 207,924.02, 312,411.54 and 199,516.50

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Solution

The fourth proportional to 207,924.02, 312,411.54 and 199,516.50 is: 299,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,924.02 : 312,411.54 = 199,516.50 : x
  2. Step 2: Convert to fraction form
    207,924.02/312,411.54 = 199,516.50/x
  3. Step 3: Cross multiply
    207,924.02x = 312,411.54 × 199,516.50
  4. Step 4: Simplify right side
    207,924.02x = 62,331,257,020.41
  5. Step 5: Solve for x
    x = 62,331,257,020.41/207,924.02
  6. Step 6: Final answer
    x = 299,779.01

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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.