Home / 226,485.76-312,637.44-151,006.72

Finding the Fourth Proportional to 226,485.76, 312,637.44 and 151,006.72

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Solution

The fourth proportional to 226,485.76, 312,637.44 and 151,006.72 is: 208,447.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,485.76 : 312,637.44 = 151,006.72 : x
  2. Step 2: Convert to fraction form
    226,485.76/312,637.44 = 151,006.72/x
  3. Step 3: Cross multiply
    226,485.76x = 312,637.44 × 151,006.72
  4. Step 4: Simplify right side
    226,485.76x = 47,210,354,363.60
  5. Step 5: Solve for x
    x = 47,210,354,363.60/226,485.76
  6. Step 6: Final answer
    x = 208,447.34

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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.