Home / 163,751.18-225,973.52-91,153.58

Finding the Fourth Proportional to 163,751.18, 225,973.52 and 91,153.58

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Solution

The fourth proportional to 163,751.18, 225,973.52 and 91,153.58 is: 125,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,751.18 : 225,973.52 = 91,153.58 : x
  2. Step 2: Convert to fraction form
    163,751.18/225,973.52 = 91,153.58/x
  3. Step 3: Cross multiply
    163,751.18x = 225,973.52 × 91,153.58
  4. Step 4: Simplify right side
    163,751.18x = 20,598,295,333.20
  5. Step 5: Solve for x
    x = 20,598,295,333.20/163,751.18
  6. Step 6: Final answer
    x = 125,790.21

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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.