Home / 223,090.32-334,639.44-81,036.36

Finding the Fourth Proportional to 223,090.32, 334,639.44 and 81,036.36

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Solution

The fourth proportional to 223,090.32, 334,639.44 and 81,036.36 is: 121,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,090.32 : 334,639.44 = 81,036.36 : x
  2. Step 2: Convert to fraction form
    223,090.32/334,639.44 = 81,036.36/x
  3. Step 3: Cross multiply
    223,090.32x = 334,639.44 × 81,036.36
  4. Step 4: Simplify right side
    223,090.32x = 27,117,962,130.04
  5. Step 5: Solve for x
    x = 27,117,962,130.04/223,090.32
  6. Step 6: Final answer
    x = 121,555.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.