Home / 142,030.90-213,030.60-50,842.69

Finding the Fourth Proportional to 142,030.90, 213,030.60 and 50,842.69

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Solution

The fourth proportional to 142,030.90, 213,030.60 and 50,842.69 is: 76,258.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,030.90 : 213,030.60 = 50,842.69 : x
  2. Step 2: Convert to fraction form
    142,030.90/213,030.60 = 50,842.69/x
  3. Step 3: Cross multiply
    142,030.90x = 213,030.60 × 50,842.69
  4. Step 4: Simplify right side
    142,030.90x = 10,831,047,691.16
  5. Step 5: Solve for x
    x = 10,831,047,691.16/142,030.90
  6. Step 6: Final answer
    x = 76,258.39

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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.