Home / 98,283.51-135,493.83-83,115.18

Finding the Fourth Proportional to 98,283.51, 135,493.83 and 83,115.18

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Solution

The fourth proportional to 98,283.51, 135,493.83 and 83,115.18 is: 114,582.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,283.51 : 135,493.83 = 83,115.18 : x
  2. Step 2: Convert to fraction form
    98,283.51/135,493.83 = 83,115.18/x
  3. Step 3: Cross multiply
    98,283.51x = 135,493.83 × 83,115.18
  4. Step 4: Simplify right side
    98,283.51x = 11,261,594,069.34
  5. Step 5: Solve for x
    x = 11,261,594,069.34/98,283.51
  6. Step 6: Final answer
    x = 114,582.74

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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.