Home / 154,727.48-213,483.96-91,053.32

Finding the Fourth Proportional to 154,727.48, 213,483.96 and 91,053.32

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Solution

The fourth proportional to 154,727.48, 213,483.96 and 91,053.32 is: 125,630.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,727.48 : 213,483.96 = 91,053.32 : x
  2. Step 2: Convert to fraction form
    154,727.48/213,483.96 = 91,053.32/x
  3. Step 3: Cross multiply
    154,727.48x = 213,483.96 × 91,053.32
  4. Step 4: Simplify right side
    154,727.48x = 19,438,423,324.75
  5. Step 5: Solve for x
    x = 19,438,423,324.75/154,727.48
  6. Step 6: Final answer
    x = 125,630.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.