Home / 151,575.93-209,172.65-87,924.51

Finding the Fourth Proportional to 151,575.93, 209,172.65 and 87,924.51

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Solution

The fourth proportional to 151,575.93, 209,172.65 and 87,924.51 is: 121,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,575.93 : 209,172.65 = 87,924.51 : x
  2. Step 2: Convert to fraction form
    151,575.93/209,172.65 = 87,924.51/x
  3. Step 3: Cross multiply
    151,575.93x = 209,172.65 × 87,924.51
  4. Step 4: Simplify right side
    151,575.93x = 18,391,402,317.03
  5. Step 5: Solve for x
    x = 18,391,402,317.03/151,575.93
  6. Step 6: Final answer
    x = 121,334.58

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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.