Home / 254,801.60-351,630.14-140,085.21

Finding the Fourth Proportional to 254,801.60, 351,630.14 and 140,085.21

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Solution

The fourth proportional to 254,801.60, 351,630.14 and 140,085.21 is: 193,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,801.60 : 351,630.14 = 140,085.21 : x
  2. Step 2: Convert to fraction form
    254,801.60/351,630.14 = 140,085.21/x
  3. Step 3: Cross multiply
    254,801.60x = 351,630.14 × 140,085.21
  4. Step 4: Simplify right side
    254,801.60x = 49,258,181,303.80
  5. Step 5: Solve for x
    x = 49,258,181,303.80/254,801.60
  6. Step 6: Final answer
    x = 193,319.75

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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.