Home / 122,208.01-168,653.67-68,510.29

Finding the Fourth Proportional to 122,208.01, 168,653.67 and 68,510.29

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Solution

The fourth proportional to 122,208.01, 168,653.67 and 68,510.29 is: 94,547.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,208.01 : 168,653.67 = 68,510.29 : x
  2. Step 2: Convert to fraction form
    122,208.01/168,653.67 = 68,510.29/x
  3. Step 3: Cross multiply
    122,208.01x = 168,653.67 × 68,510.29
  4. Step 4: Simplify right side
    122,208.01x = 11,554,511,841.26
  5. Step 5: Solve for x
    x = 11,554,511,841.26/122,208.01
  6. Step 6: Final answer
    x = 94,547.91

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1.5x scale

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.