Home / 209,592.27-289,277.19-118,956.72

Finding the Fourth Proportional to 209,592.27, 289,277.19 and 118,956.72

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Solution

The fourth proportional to 209,592.27, 289,277.19 and 118,956.72 is: 164,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,592.27 : 289,277.19 = 118,956.72 : x
  2. Step 2: Convert to fraction form
    209,592.27/289,277.19 = 118,956.72/x
  3. Step 3: Cross multiply
    209,592.27x = 289,277.19 × 118,956.72
  4. Step 4: Simplify right side
    209,592.27x = 34,411,465,693.22
  5. Step 5: Solve for x
    x = 34,411,465,693.22/209,592.27
  6. Step 6: Final answer
    x = 164,182.90

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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.