Home / 209,926.01-289,534.04-145,419.59

Finding the Fourth Proportional to 209,926.01, 289,534.04 and 145,419.59

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Solution

The fourth proportional to 209,926.01, 289,534.04 and 145,419.59 is: 200,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,926.01 : 289,534.04 = 145,419.59 : x
  2. Step 2: Convert to fraction form
    209,926.01/289,534.04 = 145,419.59/x
  3. Step 3: Cross multiply
    209,926.01x = 289,534.04 × 145,419.59
  4. Step 4: Simplify right side
    209,926.01x = 42,103,921,929.90
  5. Step 5: Solve for x
    x = 42,103,921,929.90/209,926.01
  6. Step 6: Final answer
    x = 200,565.53

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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.