Home / 209,977.07-289,775.65-119,336.86

Finding the Fourth Proportional to 209,977.07, 289,775.65 and 119,336.86

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Solution

The fourth proportional to 209,977.07, 289,775.65 and 119,336.86 is: 164,689.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,977.07 : 289,775.65 = 119,336.86 : x
  2. Step 2: Convert to fraction form
    209,977.07/289,775.65 = 119,336.86/x
  3. Step 3: Cross multiply
    209,977.07x = 289,775.65 × 119,336.86
  4. Step 4: Simplify right side
    209,977.07x = 34,580,916,175.46
  5. Step 5: Solve for x
    x = 34,580,916,175.46/209,977.07
  6. Step 6: Final answer
    x = 164,689.01

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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.