Home / 526,145.52-789,225.57-171,161.40

Finding the Fourth Proportional to 526,145.52, 789,225.57 and 171,161.40

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Solution

The fourth proportional to 526,145.52, 789,225.57 and 171,161.40 is: 256,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,145.52 : 789,225.57 = 171,161.40 : x
  2. Step 2: Convert to fraction form
    526,145.52/789,225.57 = 171,161.40/x
  3. Step 3: Cross multiply
    526,145.52x = 789,225.57 × 171,161.40
  4. Step 4: Simplify right side
    526,145.52x = 135,084,953,477.00
  5. Step 5: Solve for x
    x = 135,084,953,477.00/526,145.52
  6. Step 6: Final answer
    x = 256,744.47

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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.