Home / 256,114.21-353,109.02-210,003.95

Finding the Fourth Proportional to 256,114.21, 353,109.02 and 210,003.95

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Solution

The fourth proportional to 256,114.21, 353,109.02 and 210,003.95 is: 289,536.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,114.21 : 353,109.02 = 210,003.95 : x
  2. Step 2: Convert to fraction form
    256,114.21/353,109.02 = 210,003.95/x
  3. Step 3: Cross multiply
    256,114.21x = 353,109.02 × 210,003.95
  4. Step 4: Simplify right side
    256,114.21x = 74,154,288,980.63
  5. Step 5: Solve for x
    x = 74,154,288,980.63/256,114.21
  6. Step 6: Final answer
    x = 289,536.03

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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.