Home / 163,973.06-226,346.30-128,174.60

Finding the Fourth Proportional to 163,973.06, 226,346.30 and 128,174.60

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Solution

The fourth proportional to 163,973.06, 226,346.30 and 128,174.60 is: 176,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,973.06 : 226,346.30 = 128,174.60 : x
  2. Step 2: Convert to fraction form
    163,973.06/226,346.30 = 128,174.60/x
  3. Step 3: Cross multiply
    163,973.06x = 226,346.30 × 128,174.60
  4. Step 4: Simplify right side
    163,973.06x = 29,011,846,869.63
  5. Step 5: Solve for x
    x = 29,011,846,869.63/163,973.06
  6. Step 6: Final answer
    x = 176,930.57

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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.