Home / 302,307.70-453,352.20-122,317.60

Finding the Fourth Proportional to 302,307.70, 453,352.20 and 122,317.60

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Solution

The fourth proportional to 302,307.70, 453,352.20 and 122,317.60 is: 183,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,307.70 : 453,352.20 = 122,317.60 : x
  2. Step 2: Convert to fraction form
    302,307.70/453,352.20 = 122,317.60/x
  3. Step 3: Cross multiply
    302,307.70x = 453,352.20 × 122,317.60
  4. Step 4: Simplify right side
    302,307.70x = 55,452,953,058.72
  5. Step 5: Solve for x
    x = 55,452,953,058.72/302,307.70
  6. Step 6: Final answer
    x = 183,432.16

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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.