Home / 308,058.24-462,103.80-97,712.40

Finding the Fourth Proportional to 308,058.24, 462,103.80 and 97,712.40

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Solution

The fourth proportional to 308,058.24, 462,103.80 and 97,712.40 is: 146,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,058.24 : 462,103.80 = 97,712.40 : x
  2. Step 2: Convert to fraction form
    308,058.24/462,103.80 = 97,712.40/x
  3. Step 3: Cross multiply
    308,058.24x = 462,103.80 × 97,712.40
  4. Step 4: Simplify right side
    308,058.24x = 45,153,271,347.12
  5. Step 5: Solve for x
    x = 45,153,271,347.12/308,058.24
  6. Step 6: Final answer
    x = 146,573.81

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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.