Home / 107,216.08-147,837.04-68,402.16

Finding the Fourth Proportional to 107,216.08, 147,837.04 and 68,402.16

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Solution

The fourth proportional to 107,216.08, 147,837.04 and 68,402.16 is: 94,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,216.08 : 147,837.04 = 68,402.16 : x
  2. Step 2: Convert to fraction form
    107,216.08/147,837.04 = 68,402.16/x
  3. Step 3: Cross multiply
    107,216.08x = 147,837.04 × 68,402.16
  4. Step 4: Simplify right side
    107,216.08x = 10,112,372,864.01
  5. Step 5: Solve for x
    x = 10,112,372,864.01/107,216.08
  6. Step 6: Final answer
    x = 94,317.69

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1.5x scale

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.