Home / 157,928.63-217,952.01-89,035.08

Finding the Fourth Proportional to 157,928.63, 217,952.01 and 89,035.08

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Solution

The fourth proportional to 157,928.63, 217,952.01 and 89,035.08 is: 122,874.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,928.63 : 217,952.01 = 89,035.08 : x
  2. Step 2: Convert to fraction form
    157,928.63/217,952.01 = 89,035.08/x
  3. Step 3: Cross multiply
    157,928.63x = 217,952.01 × 89,035.08
  4. Step 4: Simplify right side
    157,928.63x = 19,405,374,646.51
  5. Step 5: Solve for x
    x = 19,405,374,646.51/157,928.63
  6. Step 6: Final answer
    x = 122,874.33

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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.