Home / 289,968.40-434,434.20-237,091.60

Finding the Fourth Proportional to 289,968.40, 434,434.20 and 237,091.60

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Solution

The fourth proportional to 289,968.40, 434,434.20 and 237,091.60 is: 355,213.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,968.40 : 434,434.20 = 237,091.60 : x
  2. Step 2: Convert to fraction form
    289,968.40/434,434.20 = 237,091.60/x
  3. Step 3: Cross multiply
    289,968.40x = 434,434.20 × 237,091.60
  4. Step 4: Simplify right side
    289,968.40x = 103,000,699,572.72
  5. Step 5: Solve for x
    x = 103,000,699,572.72/289,968.40
  6. Step 6: Final answer
    x = 355,213.53

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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.