Home / 134,455.14-185,541.05-74,013.98

Finding the Fourth Proportional to 134,455.14, 185,541.05 and 74,013.98

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Solution

The fourth proportional to 134,455.14, 185,541.05 and 74,013.98 is: 102,135.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,455.14 : 185,541.05 = 74,013.98 : x
  2. Step 2: Convert to fraction form
    134,455.14/185,541.05 = 74,013.98/x
  3. Step 3: Cross multiply
    134,455.14x = 185,541.05 × 74,013.98
  4. Step 4: Simplify right side
    134,455.14x = 13,732,630,266.10
  5. Step 5: Solve for x
    x = 13,732,630,266.10/134,455.14
  6. Step 6: Final answer
    x = 102,135.41

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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.