Home / 289,501.67-434,249.33-118,685.27

Finding the Fourth Proportional to 289,501.67, 434,249.33 and 118,685.27

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Solution

The fourth proportional to 289,501.67, 434,249.33 and 118,685.27 is: 178,026.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,501.67 : 434,249.33 = 118,685.27 : x
  2. Step 2: Convert to fraction form
    289,501.67/434,249.33 = 118,685.27/x
  3. Step 3: Cross multiply
    289,501.67x = 434,249.33 × 118,685.27
  4. Step 4: Simplify right side
    289,501.67x = 51,538,996,213.70
  5. Step 5: Solve for x
    x = 51,538,996,213.70/289,501.67
  6. Step 6: Final answer
    x = 178,026.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.