Home / 211,913.18-292,445.60-116,422.28

Finding the Fourth Proportional to 211,913.18, 292,445.60 and 116,422.28

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Solution

The fourth proportional to 211,913.18, 292,445.60 and 116,422.28 is: 160,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,913.18 : 292,445.60 = 116,422.28 : x
  2. Step 2: Convert to fraction form
    211,913.18/292,445.60 = 116,422.28/x
  3. Step 3: Cross multiply
    211,913.18x = 292,445.60 × 116,422.28
  4. Step 4: Simplify right side
    211,913.18x = 34,047,183,527.97
  5. Step 5: Solve for x
    x = 34,047,183,527.97/211,913.18
  6. Step 6: Final answer
    x = 160,665.72

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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.