Home / 115,905.40-173,883.30-66,009.40

Finding the Fourth Proportional to 115,905.40, 173,883.30 and 66,009.40

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Solution

The fourth proportional to 115,905.40, 173,883.30 and 66,009.40 is: 99,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,905.40 : 173,883.30 = 66,009.40 : x
  2. Step 2: Convert to fraction form
    115,905.40/173,883.30 = 66,009.40/x
  3. Step 3: Cross multiply
    115,905.40x = 173,883.30 × 66,009.40
  4. Step 4: Simplify right side
    115,905.40x = 11,477,932,303.02
  5. Step 5: Solve for x
    x = 11,477,932,303.02/115,905.40
  6. Step 6: Final answer
    x = 99,028.45

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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.