Home / 98,724.80-148,087.20-93,670.40

Finding the Fourth Proportional to 98,724.80, 148,087.20 and 93,670.40

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Solution

The fourth proportional to 98,724.80, 148,087.20 and 93,670.40 is: 140,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,724.80 : 148,087.20 = 93,670.40 : x
  2. Step 2: Convert to fraction form
    98,724.80/148,087.20 = 93,670.40/x
  3. Step 3: Cross multiply
    98,724.80x = 148,087.20 × 93,670.40
  4. Step 4: Simplify right side
    98,724.80x = 13,871,387,258.88
  5. Step 5: Solve for x
    x = 13,871,387,258.88/98,724.80
  6. Step 6: Final answer
    x = 140,505.60

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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.