Home / 207,400.02-310,847.30-107,505.16

Finding the Fourth Proportional to 207,400.02, 310,847.30 and 107,505.16

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Solution

The fourth proportional to 207,400.02, 310,847.30 and 107,505.16 is: 161,126.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,400.02 : 310,847.30 = 107,505.16 : x
  2. Step 2: Convert to fraction form
    207,400.02/310,847.30 = 107,505.16/x
  3. Step 3: Cross multiply
    207,400.02x = 310,847.30 × 107,505.16
  4. Step 4: Simplify right side
    207,400.02x = 33,417,688,722.07
  5. Step 5: Solve for x
    x = 33,417,688,722.07/207,400.02
  6. Step 6: Final answer
    x = 161,126.74

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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.