Home / 211,905.18-292,433.29-116,415.50

Finding the Fourth Proportional to 211,905.18, 292,433.29 and 116,415.50

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Solution

The fourth proportional to 211,905.18, 292,433.29 and 116,415.50 is: 160,655.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,905.18 : 292,433.29 = 116,415.50 : x
  2. Step 2: Convert to fraction form
    211,905.18/292,433.29 = 116,415.50/x
  3. Step 3: Cross multiply
    211,905.18x = 292,433.29 × 116,415.50
  4. Step 4: Simplify right side
    211,905.18x = 34,043,765,918.79
  5. Step 5: Solve for x
    x = 34,043,765,918.79/211,905.18
  6. Step 6: Final answer
    x = 160,655.66

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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.