Home / 98,735.40-148,448.70-96,661.80

Finding the Fourth Proportional to 98,735.40, 148,448.70 and 96,661.80

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Solution

The fourth proportional to 98,735.40, 148,448.70 and 96,661.80 is: 145,331.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,735.40 : 148,448.70 = 96,661.80 : x
  2. Step 2: Convert to fraction form
    98,735.40/148,448.70 = 96,661.80/x
  3. Step 3: Cross multiply
    98,735.40x = 148,448.70 × 96,661.80
  4. Step 4: Simplify right side
    98,735.40x = 14,349,318,549.66
  5. Step 5: Solve for x
    x = 14,349,318,549.66/98,735.40
  6. Step 6: Final answer
    x = 145,331.04

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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.