Home / 112,300.65-154,968.26-61,303.23

Finding the Fourth Proportional to 112,300.65, 154,968.26 and 61,303.23

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Solution

The fourth proportional to 112,300.65, 154,968.26 and 61,303.23 is: 84,594.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,300.65 : 154,968.26 = 61,303.23 : x
  2. Step 2: Convert to fraction form
    112,300.65/154,968.26 = 61,303.23/x
  3. Step 3: Cross multiply
    112,300.65x = 154,968.26 × 61,303.23
  4. Step 4: Simplify right side
    112,300.65x = 9,500,054,578.96
  5. Step 5: Solve for x
    x = 9,500,054,578.96/112,300.65
  6. Step 6: Final answer
    x = 84,594.83

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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.