Home / 147,613.06-203,706.49-83,955.30

Finding the Fourth Proportional to 147,613.06, 203,706.49 and 83,955.30

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Solution

The fourth proportional to 147,613.06, 203,706.49 and 83,955.30 is: 115,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,613.06 : 203,706.49 = 83,955.30 : x
  2. Step 2: Convert to fraction form
    147,613.06/203,706.49 = 83,955.30/x
  3. Step 3: Cross multiply
    147,613.06x = 203,706.49 × 83,955.30
  4. Step 4: Simplify right side
    147,613.06x = 17,102,239,479.90
  5. Step 5: Solve for x
    x = 17,102,239,479.90/147,613.06
  6. Step 6: Final answer
    x = 115,858.58

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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.