Home / 154,156.53-212,770.33-93,714.38

Finding the Fourth Proportional to 154,156.53, 212,770.33 and 93,714.38

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Solution

The fourth proportional to 154,156.53, 212,770.33 and 93,714.38 is: 129,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,156.53 : 212,770.33 = 93,714.38 : x
  2. Step 2: Convert to fraction form
    154,156.53/212,770.33 = 93,714.38/x
  3. Step 3: Cross multiply
    154,156.53x = 212,770.33 × 93,714.38
  4. Step 4: Simplify right side
    154,156.53x = 19,939,638,260.21
  5. Step 5: Solve for x
    x = 19,939,638,260.21/154,156.53
  6. Step 6: Final answer
    x = 129,346.70

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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.