Home / 98,399.04-147,568.32-93,033.60

Finding the Fourth Proportional to 98,399.04, 147,568.32 and 93,033.60

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Solution

The fourth proportional to 98,399.04, 147,568.32 and 93,033.60 is: 139,521.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,399.04 : 147,568.32 = 93,033.60 : x
  2. Step 2: Convert to fraction form
    98,399.04/147,568.32 = 93,033.60/x
  3. Step 3: Cross multiply
    98,399.04x = 147,568.32 × 93,033.60
  4. Step 4: Simplify right side
    98,399.04x = 13,728,812,055.55
  5. Step 5: Solve for x
    x = 13,728,812,055.55/98,399.04
  6. Step 6: Final answer
    x = 139,521.81

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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.