Home / 154,156.28-212,769.99-93,714.13

Finding the Fourth Proportional to 154,156.28, 212,769.99 and 93,714.13

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Solution

The fourth proportional to 154,156.28, 212,769.99 and 93,714.13 is: 129,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,156.28 : 212,769.99 = 93,714.13 : x
  2. Step 2: Convert to fraction form
    154,156.28/212,769.99 = 93,714.13/x
  3. Step 3: Cross multiply
    154,156.28x = 212,769.99 × 93,714.13
  4. Step 4: Simplify right side
    154,156.28x = 19,939,552,970.54
  5. Step 5: Solve for x
    x = 19,939,552,970.54/154,156.28
  6. Step 6: Final answer
    x = 129,346.36

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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.