Home / 105,556.02-158,335.11-26,670.35

Finding the Fourth Proportional to 105,556.02, 158,335.11 and 26,670.35

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Solution

The fourth proportional to 105,556.02, 158,335.11 and 26,670.35 is: 40,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,556.02 : 158,335.11 = 26,670.35 : x
  2. Step 2: Convert to fraction form
    105,556.02/158,335.11 = 26,670.35/x
  3. Step 3: Cross multiply
    105,556.02x = 158,335.11 × 26,670.35
  4. Step 4: Simplify right side
    105,556.02x = 4,222,852,009.31
  5. Step 5: Solve for x
    x = 4,222,852,009.31/105,556.02
  6. Step 6: Final answer
    x = 40,005.79

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1.5x scale

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.