Home / 456,146.46-684,023.76-156,657.06

Finding the Fourth Proportional to 456,146.46, 684,023.76 and 156,657.06

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Solution

The fourth proportional to 456,146.46, 684,023.76 and 156,657.06 is: 234,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,146.46 : 684,023.76 = 156,657.06 : x
  2. Step 2: Convert to fraction form
    456,146.46/684,023.76 = 156,657.06/x
  3. Step 3: Cross multiply
    456,146.46x = 684,023.76 × 156,657.06
  4. Step 4: Simplify right side
    456,146.46x = 107,157,151,211.75
  5. Step 5: Solve for x
    x = 107,157,151,211.75/456,146.46
  6. Step 6: Final answer
    x = 234,918.30

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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.