Home / 209,097.38-288,568.60-118,454.06

Finding the Fourth Proportional to 209,097.38, 288,568.60 and 118,454.06

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Solution

The fourth proportional to 209,097.38, 288,568.60 and 118,454.06 is: 163,474.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,097.38 : 288,568.60 = 118,454.06 : x
  2. Step 2: Convert to fraction form
    209,097.38/288,568.60 = 118,454.06/x
  3. Step 3: Cross multiply
    209,097.38x = 288,568.60 × 118,454.06
  4. Step 4: Simplify right side
    209,097.38x = 34,182,122,258.52
  5. Step 5: Solve for x
    x = 34,182,122,258.52/209,097.38
  6. Step 6: Final answer
    x = 163,474.66

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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.