Home / 438,736.14-657,968.13-158,216.94

Finding the Fourth Proportional to 438,736.14, 657,968.13 and 158,216.94

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Solution

The fourth proportional to 438,736.14, 657,968.13 and 158,216.94 is: 237,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,736.14 : 657,968.13 = 158,216.94 : x
  2. Step 2: Convert to fraction form
    438,736.14/657,968.13 = 158,216.94/x
  3. Step 3: Cross multiply
    438,736.14x = 657,968.13 × 158,216.94
  4. Step 4: Simplify right side
    438,736.14x = 104,101,704,146.12
  5. Step 5: Solve for x
    x = 104,101,704,146.12/438,736.14
  6. Step 6: Final answer
    x = 237,276.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.