Home / 134,669.49-185,835.55-74,237.01

Finding the Fourth Proportional to 134,669.49, 185,835.55 and 74,237.01

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Solution

The fourth proportional to 134,669.49, 185,835.55 and 74,237.01 is: 102,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,669.49 : 185,835.55 = 74,237.01 : x
  2. Step 2: Convert to fraction form
    134,669.49/185,835.55 = 74,237.01/x
  3. Step 3: Cross multiply
    134,669.49x = 185,835.55 × 74,237.01
  4. Step 4: Simplify right side
    134,669.49x = 13,795,875,583.71
  5. Step 5: Solve for x
    x = 13,795,875,583.71/134,669.49
  6. Step 6: Final answer
    x = 102,442.47

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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.