Home / 211,905.74-292,435.26-116,421.32

Finding the Fourth Proportional to 211,905.74, 292,435.26 and 116,421.32

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Solution

The fourth proportional to 211,905.74, 292,435.26 and 116,421.32 is: 160,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,905.74 : 292,435.26 = 116,421.32 : x
  2. Step 2: Convert to fraction form
    211,905.74/292,435.26 = 116,421.32/x
  3. Step 3: Cross multiply
    211,905.74x = 292,435.26 × 116,421.32
  4. Step 4: Simplify right side
    211,905.74x = 34,045,698,983.74
  5. Step 5: Solve for x
    x = 34,045,698,983.74/211,905.74
  6. Step 6: Final answer
    x = 160,664.35

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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.