Home / 209,830.13-289,565.93-114,336.82

Finding the Fourth Proportional to 209,830.13, 289,565.93 and 114,336.82

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Solution

The fourth proportional to 209,830.13, 289,565.93 and 114,336.82 is: 157,785.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,830.13 : 289,565.93 = 114,336.82 : x
  2. Step 2: Convert to fraction form
    209,830.13/289,565.93 = 114,336.82/x
  3. Step 3: Cross multiply
    209,830.13x = 289,565.93 × 114,336.82
  4. Step 4: Simplify right side
    209,830.13x = 33,108,047,178.47
  5. Step 5: Solve for x
    x = 33,108,047,178.47/209,830.13
  6. Step 6: Final answer
    x = 157,785.00

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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.