Home / 211,912.18-292,444.22-116,421.28

Finding the Fourth Proportional to 211,912.18, 292,444.22 and 116,421.28

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Solution

The fourth proportional to 211,912.18, 292,444.22 and 116,421.28 is: 160,664.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,912.18 : 292,444.22 = 116,421.28 : x
  2. Step 2: Convert to fraction form
    211,912.18/292,444.22 = 116,421.28/x
  3. Step 3: Cross multiply
    211,912.18x = 292,444.22 × 116,421.28
  4. Step 4: Simplify right side
    211,912.18x = 34,046,730,421.00
  5. Step 5: Solve for x
    x = 34,046,730,421.00/211,912.18
  6. Step 6: Final answer
    x = 160,664.34

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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.