Home / 434,367.36-651,463.56-118,856.16

Finding the Fourth Proportional to 434,367.36, 651,463.56 and 118,856.16

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Solution

The fourth proportional to 434,367.36, 651,463.56 and 118,856.16 is: 178,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,367.36 : 651,463.56 = 118,856.16 : x
  2. Step 2: Convert to fraction form
    434,367.36/651,463.56 = 118,856.16/x
  3. Step 3: Cross multiply
    434,367.36x = 651,463.56 × 118,856.16
  4. Step 4: Simplify right side
    434,367.36x = 77,430,457,121.53
  5. Step 5: Solve for x
    x = 77,430,457,121.53/434,367.36
  6. Step 6: Final answer
    x = 178,260.30

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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.