Home / 209,854.28-289,590.48-114,358.94

Finding the Fourth Proportional to 209,854.28, 289,590.48 and 114,358.94

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Solution

The fourth proportional to 209,854.28, 289,590.48 and 114,358.94 is: 157,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,854.28 : 289,590.48 = 114,358.94 : x
  2. Step 2: Convert to fraction form
    209,854.28/289,590.48 = 114,358.94/x
  3. Step 3: Cross multiply
    209,854.28x = 289,590.48 × 114,358.94
  4. Step 4: Simplify right side
    209,854.28x = 33,117,260,326.89
  5. Step 5: Solve for x
    x = 33,117,260,326.89/209,854.28
  6. Step 6: Final answer
    x = 157,810.75

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1.5x scale

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.