Home / 144,532.36-216,705.96-69,503.08

Finding the Fourth Proportional to 144,532.36, 216,705.96 and 69,503.08

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Solution

The fourth proportional to 144,532.36, 216,705.96 and 69,503.08 is: 104,210.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,532.36 : 216,705.96 = 69,503.08 : x
  2. Step 2: Convert to fraction form
    144,532.36/216,705.96 = 69,503.08/x
  3. Step 3: Cross multiply
    144,532.36x = 216,705.96 × 69,503.08
  4. Step 4: Simplify right side
    144,532.36x = 15,061,731,674.36
  5. Step 5: Solve for x
    x = 15,061,731,674.36/144,532.36
  6. Step 6: Final answer
    x = 104,210.10

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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.