Home / 223,346.57-308,219.58-121,372.83

Finding the Fourth Proportional to 223,346.57, 308,219.58 and 121,372.83

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Solution

The fourth proportional to 223,346.57, 308,219.58 and 121,372.83 is: 167,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,346.57 : 308,219.58 = 121,372.83 : x
  2. Step 2: Convert to fraction form
    223,346.57/308,219.58 = 121,372.83/x
  3. Step 3: Cross multiply
    223,346.57x = 308,219.58 × 121,372.83
  4. Step 4: Simplify right side
    223,346.57x = 37,409,482,686.01
  5. Step 5: Solve for x
    x = 37,409,482,686.01/223,346.57
  6. Step 6: Final answer
    x = 167,495.22

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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.