Home / 432,863.04-649,364.40-133,343.60

Finding the Fourth Proportional to 432,863.04, 649,364.40 and 133,343.60

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Solution

The fourth proportional to 432,863.04, 649,364.40 and 133,343.60 is: 200,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,863.04 : 649,364.40 = 133,343.60 : x
  2. Step 2: Convert to fraction form
    432,863.04/649,364.40 = 133,343.60/x
  3. Step 3: Cross multiply
    432,863.04x = 649,364.40 × 133,343.60
  4. Step 4: Simplify right side
    432,863.04x = 86,588,586,807.84
  5. Step 5: Solve for x
    x = 86,588,586,807.84/432,863.04
  6. Step 6: Final answer
    x = 200,036.91

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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.