Home / 328,050.60-492,095.34-103,418.16

Finding the Fourth Proportional to 328,050.60, 492,095.34 and 103,418.16

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Solution

The fourth proportional to 328,050.60, 492,095.34 and 103,418.16 is: 155,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,050.60 : 492,095.34 = 103,418.16 : x
  2. Step 2: Convert to fraction form
    328,050.60/492,095.34 = 103,418.16/x
  3. Step 3: Cross multiply
    328,050.60x = 492,095.34 × 103,418.16
  4. Step 4: Simplify right side
    328,050.60x = 50,891,594,607.37
  5. Step 5: Solve for x
    x = 50,891,594,607.37/328,050.60
  6. Step 6: Final answer
    x = 155,133.37

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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.