Home / 144,430.36-216,751.94-68,529.16

Finding the Fourth Proportional to 144,430.36, 216,751.94 and 68,529.16

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Solution

The fourth proportional to 144,430.36, 216,751.94 and 68,529.16 is: 102,844.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,430.36 : 216,751.94 = 68,529.16 : x
  2. Step 2: Convert to fraction form
    144,430.36/216,751.94 = 68,529.16/x
  3. Step 3: Cross multiply
    144,430.36x = 216,751.94 × 68,529.16
  4. Step 4: Simplify right side
    144,430.36x = 14,853,828,376.57
  5. Step 5: Solve for x
    x = 14,853,828,376.57/144,430.36
  6. Step 6: Final answer
    x = 102,844.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.