Home / 434,069.89-651,138.47-130,440.33

Finding the Fourth Proportional to 434,069.89, 651,138.47 and 130,440.33

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Solution

The fourth proportional to 434,069.89, 651,138.47 and 130,440.33 is: 195,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,069.89 : 651,138.47 = 130,440.33 : x
  2. Step 2: Convert to fraction form
    434,069.89/651,138.47 = 130,440.33/x
  3. Step 3: Cross multiply
    434,069.89x = 651,138.47 × 130,440.33
  4. Step 4: Simplify right side
    434,069.89x = 84,934,717,228.60
  5. Step 5: Solve for x
    x = 84,934,717,228.60/434,069.89
  6. Step 6: Final answer
    x = 195,670.60

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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.