Home / 107,841.40-161,762.10-94,719.40

Finding the Fourth Proportional to 107,841.40, 161,762.10 and 94,719.40

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Solution

The fourth proportional to 107,841.40, 161,762.10 and 94,719.40 is: 142,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841.40 : 161,762.10 = 94,719.40 : x
  2. Step 2: Convert to fraction form
    107,841.40/161,762.10 = 94,719.40/x
  3. Step 3: Cross multiply
    107,841.40x = 161,762.10 × 94,719.40
  4. Step 4: Simplify right side
    107,841.40x = 15,322,009,054.74
  5. Step 5: Solve for x
    x = 15,322,009,054.74/107,841.40
  6. Step 6: Final answer
    x = 142,079.10

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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.