Home / 134,795.89-186,018.94-74,366.50

Finding the Fourth Proportional to 134,795.89, 186,018.94 and 74,366.50

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Solution

The fourth proportional to 134,795.89, 186,018.94 and 74,366.50 is: 102,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,795.89 : 186,018.94 = 74,366.50 : x
  2. Step 2: Convert to fraction form
    134,795.89/186,018.94 = 74,366.50/x
  3. Step 3: Cross multiply
    134,795.89x = 186,018.94 × 74,366.50
  4. Step 4: Simplify right side
    134,795.89x = 13,833,577,501.51
  5. Step 5: Solve for x
    x = 13,833,577,501.51/134,795.89
  6. Step 6: Final answer
    x = 102,626.11

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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.