Home / 380,186.56-570,280.16-113,975.04

Finding the Fourth Proportional to 380,186.56, 570,280.16 and 113,975.04

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Solution

The fourth proportional to 380,186.56, 570,280.16 and 113,975.04 is: 170,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,186.56 : 570,280.16 = 113,975.04 : x
  2. Step 2: Convert to fraction form
    380,186.56/570,280.16 = 113,975.04/x
  3. Step 3: Cross multiply
    380,186.56x = 570,280.16 × 113,975.04
  4. Step 4: Simplify right side
    380,186.56x = 64,997,704,047.21
  5. Step 5: Solve for x
    x = 64,997,704,047.21/380,186.56
  6. Step 6: Final answer
    x = 170,962.66

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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.