Home / 163,750.34-225,973.86-91,152.08

Finding the Fourth Proportional to 163,750.34, 225,973.86 and 91,152.08

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Solution

The fourth proportional to 163,750.34, 225,973.86 and 91,152.08 is: 125,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,750.34 : 225,973.86 = 91,152.08 : x
  2. Step 2: Convert to fraction form
    163,750.34/225,973.86 = 91,152.08/x
  3. Step 3: Cross multiply
    163,750.34x = 225,973.86 × 91,152.08
  4. Step 4: Simplify right side
    163,750.34x = 20,597,987,364.63
  5. Step 5: Solve for x
    x = 20,597,987,364.63/163,750.34
  6. Step 6: Final answer
    x = 125,788.97

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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.