Home / 155,628.06-214,767.99-88,564.38

Finding the Fourth Proportional to 155,628.06, 214,767.99 and 88,564.38

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Solution

The fourth proportional to 155,628.06, 214,767.99 and 88,564.38 is: 122,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,628.06 : 214,767.99 = 88,564.38 : x
  2. Step 2: Convert to fraction form
    155,628.06/214,767.99 = 88,564.38/x
  3. Step 3: Cross multiply
    155,628.06x = 214,767.99 × 88,564.38
  4. Step 4: Simplify right side
    155,628.06x = 19,020,793,878.20
  5. Step 5: Solve for x
    x = 19,020,793,878.20/155,628.06
  6. Step 6: Final answer
    x = 122,219.57

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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.