Home / 98,984.70-148,477.05-91,986.30

Finding the Fourth Proportional to 98,984.70, 148,477.05 and 91,986.30

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Solution

The fourth proportional to 98,984.70, 148,477.05 and 91,986.30 is: 137,979.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,984.70 : 148,477.05 = 91,986.30 : x
  2. Step 2: Convert to fraction form
    98,984.70/148,477.05 = 91,986.30/x
  3. Step 3: Cross multiply
    98,984.70x = 148,477.05 × 91,986.30
  4. Step 4: Simplify right side
    98,984.70x = 13,657,854,464.42
  5. Step 5: Solve for x
    x = 13,657,854,464.42/98,984.70
  6. Step 6: Final answer
    x = 137,979.45

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Similar ratio
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1.5x scale

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.