Home / 289,056.60-433,584.90-156,196.35

Finding the Fourth Proportional to 289,056.60, 433,584.90 and 156,196.35

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Solution

The fourth proportional to 289,056.60, 433,584.90 and 156,196.35 is: 234,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,056.60 : 433,584.90 = 156,196.35 : x
  2. Step 2: Convert to fraction form
    289,056.60/433,584.90 = 156,196.35/x
  3. Step 3: Cross multiply
    289,056.60x = 433,584.90 × 156,196.35
  4. Step 4: Simplify right side
    289,056.60x = 67,724,378,795.12
  5. Step 5: Solve for x
    x = 67,724,378,795.12/289,056.60
  6. Step 6: Final answer
    x = 234,294.53

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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.