Home / 164,385.54-226,835.10-121,388.04

Finding the Fourth Proportional to 164,385.54, 226,835.10 and 121,388.04

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Solution

The fourth proportional to 164,385.54, 226,835.10 and 121,388.04 is: 167,502.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,385.54 : 226,835.10 = 121,388.04 : x
  2. Step 2: Convert to fraction form
    164,385.54/226,835.10 = 121,388.04/x
  3. Step 3: Cross multiply
    164,385.54x = 226,835.10 × 121,388.04
  4. Step 4: Simplify right side
    164,385.54x = 27,535,068,192.20
  5. Step 5: Solve for x
    x = 27,535,068,192.20/164,385.54
  6. Step 6: Final answer
    x = 167,502.98

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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.