Home / 272,478.16-408,719.51-94,984.88

Finding the Fourth Proportional to 272,478.16, 408,719.51 and 94,984.88

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Solution

The fourth proportional to 272,478.16, 408,719.51 and 94,984.88 is: 142,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,478.16 : 408,719.51 = 94,984.88 : x
  2. Step 2: Convert to fraction form
    272,478.16/408,719.51 = 94,984.88/x
  3. Step 3: Cross multiply
    272,478.16x = 408,719.51 × 94,984.88
  4. Step 4: Simplify right side
    272,478.16x = 38,822,173,611.01
  5. Step 5: Solve for x
    x = 38,822,173,611.01/272,478.16
  6. Step 6: Final answer
    x = 142,478.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.