Home / 289,877.40-434,621.70-132,024.60

Finding the Fourth Proportional to 289,877.40, 434,621.70 and 132,024.60

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Solution

The fourth proportional to 289,877.40, 434,621.70 and 132,024.60 is: 197,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,877.40 : 434,621.70 = 132,024.60 : x
  2. Step 2: Convert to fraction form
    289,877.40/434,621.70 = 132,024.60/x
  3. Step 3: Cross multiply
    289,877.40x = 434,621.70 × 132,024.60
  4. Step 4: Simplify right side
    289,877.40x = 57,380,756,093.82
  5. Step 5: Solve for x
    x = 57,380,756,093.82/289,877.40
  6. Step 6: Final answer
    x = 197,948.36

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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.