Home / 434,582.60-651,938.70-154,077.80

Finding the Fourth Proportional to 434,582.60, 651,938.70 and 154,077.80

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Solution

The fourth proportional to 434,582.60, 651,938.70 and 154,077.80 is: 231,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,582.60 : 651,938.70 = 154,077.80 : x
  2. Step 2: Convert to fraction form
    434,582.60/651,938.70 = 154,077.80/x
  3. Step 3: Cross multiply
    434,582.60x = 651,938.70 × 154,077.80
  4. Step 4: Simplify right side
    434,582.60x = 100,449,280,630.86
  5. Step 5: Solve for x
    x = 100,449,280,630.86/434,582.60
  6. Step 6: Final answer
    x = 231,139.67

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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.