Home / 154,636.54-213,398.15-94,207.20

Finding the Fourth Proportional to 154,636.54, 213,398.15 and 94,207.20

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Solution

The fourth proportional to 154,636.54, 213,398.15 and 94,207.20 is: 130,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,636.54 : 213,398.15 = 94,207.20 : x
  2. Step 2: Convert to fraction form
    154,636.54/213,398.15 = 94,207.20/x
  3. Step 3: Cross multiply
    154,636.54x = 213,398.15 × 94,207.20
  4. Step 4: Simplify right side
    154,636.54x = 20,103,642,125.77
  5. Step 5: Solve for x
    x = 20,103,642,125.77/154,636.54
  6. Step 6: Final answer
    x = 130,005.77

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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.