Home / 238,082.60-328,558.02-130,662.63

Finding the Fourth Proportional to 238,082.60, 328,558.02 and 130,662.63

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Solution

The fourth proportional to 238,082.60, 328,558.02 and 130,662.63 is: 180,316.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,082.60 : 328,558.02 = 130,662.63 : x
  2. Step 2: Convert to fraction form
    238,082.60/328,558.02 = 130,662.63/x
  3. Step 3: Cross multiply
    238,082.60x = 328,558.02 × 130,662.63
  4. Step 4: Simplify right side
    238,082.60x = 42,930,255,000.79
  5. Step 5: Solve for x
    x = 42,930,255,000.79/238,082.60
  6. Step 6: Final answer
    x = 180,316.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.