Home / 291,538.05-402,185.02-170,605.14

Finding the Fourth Proportional to 291,538.05, 402,185.02 and 170,605.14

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Solution

The fourth proportional to 291,538.05, 402,185.02 and 170,605.14 is: 235,354.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,538.05 : 402,185.02 = 170,605.14 : x
  2. Step 2: Convert to fraction form
    291,538.05/402,185.02 = 170,605.14/x
  3. Step 3: Cross multiply
    291,538.05x = 402,185.02 × 170,605.14
  4. Step 4: Simplify right side
    291,538.05x = 68,614,831,643.00
  5. Step 5: Solve for x
    x = 68,614,831,643.00/291,538.05
  6. Step 6: Final answer
    x = 235,354.64

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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.