Home / 223,094.55-307,861.34-121,116.06

Finding the Fourth Proportional to 223,094.55, 307,861.34 and 121,116.06

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Solution

The fourth proportional to 223,094.55, 307,861.34 and 121,116.06 is: 167,135.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,094.55 : 307,861.34 = 121,116.06 : x
  2. Step 2: Convert to fraction form
    223,094.55/307,861.34 = 121,116.06/x
  3. Step 3: Cross multiply
    223,094.55x = 307,861.34 × 121,116.06
  4. Step 4: Simplify right side
    223,094.55x = 37,286,950,987.81
  5. Step 5: Solve for x
    x = 37,286,950,987.81/223,094.55
  6. Step 6: Final answer
    x = 167,135.19

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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.