Home / 134,480.10-185,581.04-74,049.51

Finding the Fourth Proportional to 134,480.10, 185,581.04 and 74,049.51

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Solution

The fourth proportional to 134,480.10, 185,581.04 and 74,049.51 is: 102,187.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,480.10 : 185,581.04 = 74,049.51 : x
  2. Step 2: Convert to fraction form
    134,480.10/185,581.04 = 74,049.51/x
  3. Step 3: Cross multiply
    134,480.10x = 185,581.04 × 74,049.51
  4. Step 4: Simplify right side
    134,480.10x = 13,742,184,707.04
  5. Step 5: Solve for x
    x = 13,742,184,707.04/134,480.10
  6. Step 6: Final answer
    x = 102,187.50

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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.