Home / 259,136.11-357,485.60-151,639.59

Finding the Fourth Proportional to 259,136.11, 357,485.60 and 151,639.59

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Solution

The fourth proportional to 259,136.11, 357,485.60 and 151,639.59 is: 209,191.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,136.11 : 357,485.60 = 151,639.59 : x
  2. Step 2: Convert to fraction form
    259,136.11/357,485.60 = 151,639.59/x
  3. Step 3: Cross multiply
    259,136.11x = 357,485.60 × 151,639.59
  4. Step 4: Simplify right side
    259,136.11x = 54,208,971,534.57
  5. Step 5: Solve for x
    x = 54,208,971,534.57/259,136.11
  6. Step 6: Final answer
    x = 209,191.11

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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.