Home / 328,815.68-492,927.32-118,305.50

Finding the Fourth Proportional to 328,815.68, 492,927.32 and 118,305.50

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Solution

The fourth proportional to 328,815.68, 492,927.32 and 118,305.50 is: 177,351.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,815.68 : 492,927.32 = 118,305.50 : x
  2. Step 2: Convert to fraction form
    328,815.68/492,927.32 = 118,305.50/x
  3. Step 3: Cross multiply
    328,815.68x = 492,927.32 × 118,305.50
  4. Step 4: Simplify right side
    328,815.68x = 58,316,013,056.26
  5. Step 5: Solve for x
    x = 58,316,013,056.26/328,815.68
  6. Step 6: Final answer
    x = 177,351.68

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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.