Home / 209,726.01-289,432.14-119,080.33

Finding the Fourth Proportional to 209,726.01, 289,432.14 and 119,080.33

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Solution

The fourth proportional to 209,726.01, 289,432.14 and 119,080.33 is: 164,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,726.01 : 289,432.14 = 119,080.33 : x
  2. Step 2: Convert to fraction form
    209,726.01/289,432.14 = 119,080.33/x
  3. Step 3: Cross multiply
    209,726.01x = 289,432.14 × 119,080.33
  4. Step 4: Simplify right side
    209,726.01x = 34,465,673,573.67
  5. Step 5: Solve for x
    x = 34,465,673,573.67/209,726.01
  6. Step 6: Final answer
    x = 164,336.67

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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.