Home / 155,533.56-214,632.78-86,622.54

Finding the Fourth Proportional to 155,533.56, 214,632.78 and 86,622.54

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Solution

The fourth proportional to 155,533.56, 214,632.78 and 86,622.54 is: 119,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,533.56 : 214,632.78 = 86,622.54 : x
  2. Step 2: Convert to fraction form
    155,533.56/214,632.78 = 86,622.54/x
  3. Step 3: Cross multiply
    155,533.56x = 214,632.78 × 86,622.54
  4. Step 4: Simplify right side
    155,533.56x = 18,592,036,570.86
  5. Step 5: Solve for x
    x = 18,592,036,570.86/155,533.56
  6. Step 6: Final answer
    x = 119,537.14

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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.