Home / 380,154.05-570,427.64-167,071.47

Finding the Fourth Proportional to 380,154.05, 570,427.64 and 167,071.47

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Solution

The fourth proportional to 380,154.05, 570,427.64 and 167,071.47 is: 250,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,154.05 : 570,427.64 = 167,071.47 : x
  2. Step 2: Convert to fraction form
    380,154.05/570,427.64 = 167,071.47/x
  3. Step 3: Cross multiply
    380,154.05x = 570,427.64 × 167,071.47
  4. Step 4: Simplify right side
    380,154.05x = 95,302,186,476.20
  5. Step 5: Solve for x
    x = 95,302,186,476.20/380,154.05
  6. Step 6: Final answer
    x = 250,693.60

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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.