Home / 154,646.40-213,514.38-118,772.04

Finding the Fourth Proportional to 154,646.40, 213,514.38 and 118,772.04

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Solution

The fourth proportional to 154,646.40, 213,514.38 and 118,772.04 is: 163,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,646.40 : 213,514.38 = 118,772.04 : x
  2. Step 2: Convert to fraction form
    154,646.40/213,514.38 = 118,772.04/x
  3. Step 3: Cross multiply
    154,646.40x = 213,514.38 × 118,772.04
  4. Step 4: Simplify right side
    154,646.40x = 25,359,538,481.94
  5. Step 5: Solve for x
    x = 25,359,538,481.94/154,646.40
  6. Step 6: Final answer
    x = 163,984.02

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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.