Home / 115,541.40-173,312.10-98,628.60

Finding the Fourth Proportional to 115,541.40, 173,312.10 and 98,628.60

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Solution

The fourth proportional to 115,541.40, 173,312.10 and 98,628.60 is: 147,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,541.40 : 173,312.10 = 98,628.60 : x
  2. Step 2: Convert to fraction form
    115,541.40/173,312.10 = 98,628.60/x
  3. Step 3: Cross multiply
    115,541.40x = 173,312.10 × 98,628.60
  4. Step 4: Simplify right side
    115,541.40x = 17,093,529,786.06
  5. Step 5: Solve for x
    x = 17,093,529,786.06/115,541.40
  6. Step 6: Final answer
    x = 147,942.90

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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.