Home / 255,441.48-352,494.36-187,742.76

Finding the Fourth Proportional to 255,441.48, 352,494.36 and 187,742.76

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Solution

The fourth proportional to 255,441.48, 352,494.36 and 187,742.76 is: 259,074.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,441.48 : 352,494.36 = 187,742.76 : x
  2. Step 2: Convert to fraction form
    255,441.48/352,494.36 = 187,742.76/x
  3. Step 3: Cross multiply
    255,441.48x = 352,494.36 × 187,742.76
  4. Step 4: Simplify right side
    255,441.48x = 66,178,264,030.83
  5. Step 5: Solve for x
    x = 66,178,264,030.83/255,441.48
  6. Step 6: Final answer
    x = 259,074.07

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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.