Home / 315,345.02-473,021.04-104,982.62

Finding the Fourth Proportional to 315,345.02, 473,021.04 and 104,982.62

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Solution

The fourth proportional to 315,345.02, 473,021.04 and 104,982.62 is: 157,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,345.02 : 473,021.04 = 104,982.62 : x
  2. Step 2: Convert to fraction form
    315,345.02/473,021.04 = 104,982.62/x
  3. Step 3: Cross multiply
    315,345.02x = 473,021.04 × 104,982.62
  4. Step 4: Simplify right side
    315,345.02x = 49,658,988,094.32
  5. Step 5: Solve for x
    x = 49,658,988,094.32/315,345.02
  6. Step 6: Final answer
    x = 157,475.10

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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.