Home / 401,648.48-602,477.04-121,168.16

Finding the Fourth Proportional to 401,648.48, 602,477.04 and 121,168.16

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Solution

The fourth proportional to 401,648.48, 602,477.04 and 121,168.16 is: 181,753.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,648.48 : 602,477.04 = 121,168.16 : x
  2. Step 2: Convert to fraction form
    401,648.48/602,477.04 = 121,168.16/x
  3. Step 3: Cross multiply
    401,648.48x = 602,477.04 × 121,168.16
  4. Step 4: Simplify right side
    401,648.48x = 73,001,034,379.05
  5. Step 5: Solve for x
    x = 73,001,034,379.05/401,648.48
  6. Step 6: Final answer
    x = 181,753.54

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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.