Home / 145,906.03-201,400.58-85,496.23

Finding the Fourth Proportional to 145,906.03, 201,400.58 and 85,496.23

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Solution

The fourth proportional to 145,906.03, 201,400.58 and 85,496.23 is: 118,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,906.03 : 201,400.58 = 85,496.23 : x
  2. Step 2: Convert to fraction form
    145,906.03/201,400.58 = 85,496.23/x
  3. Step 3: Cross multiply
    145,906.03x = 201,400.58 × 85,496.23
  4. Step 4: Simplify right side
    145,906.03x = 17,218,990,309.81
  5. Step 5: Solve for x
    x = 17,218,990,309.81/145,906.03
  6. Step 6: Final answer
    x = 118,014.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.