Home / 153,072.23-229,629.08-53,219.51

Finding the Fourth Proportional to 153,072.23, 229,629.08 and 53,219.51

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Solution

The fourth proportional to 153,072.23, 229,629.08 and 53,219.51 is: 79,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,072.23 : 229,629.08 = 53,219.51 : x
  2. Step 2: Convert to fraction form
    153,072.23/229,629.08 = 53,219.51/x
  3. Step 3: Cross multiply
    153,072.23x = 229,629.08 × 53,219.51
  4. Step 4: Simplify right side
    153,072.23x = 12,220,746,020.17
  5. Step 5: Solve for x
    x = 12,220,746,020.17/153,072.23
  6. Step 6: Final answer
    x = 79,836.47

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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.