Home / 250,023.93-345,030.59-135,300.12

Finding the Fourth Proportional to 250,023.93, 345,030.59 and 135,300.12

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Solution

The fourth proportional to 250,023.93, 345,030.59 and 135,300.12 is: 186,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,023.93 : 345,030.59 = 135,300.12 : x
  2. Step 2: Convert to fraction form
    250,023.93/345,030.59 = 135,300.12/x
  3. Step 3: Cross multiply
    250,023.93x = 345,030.59 × 135,300.12
  4. Step 4: Simplify right side
    250,023.93x = 46,682,680,230.67
  5. Step 5: Solve for x
    x = 46,682,680,230.67/250,023.93
  6. Step 6: Final answer
    x = 186,712.85

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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.