Home / 155,313.77-214,245.43-93,208.38

Finding the Fourth Proportional to 155,313.77, 214,245.43 and 93,208.38

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Solution

The fourth proportional to 155,313.77, 214,245.43 and 93,208.38 is: 128,575.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,313.77 : 214,245.43 = 93,208.38 : x
  2. Step 2: Convert to fraction form
    155,313.77/214,245.43 = 93,208.38/x
  3. Step 3: Cross multiply
    155,313.77x = 214,245.43 × 93,208.38
  4. Step 4: Simplify right side
    155,313.77x = 19,969,470,184.82
  5. Step 5: Solve for x
    x = 19,969,470,184.82/155,313.77
  6. Step 6: Final answer
    x = 128,575.01

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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.