Home / 291,529.10-402,172.68-170,596.20

Finding the Fourth Proportional to 291,529.10, 402,172.68 and 170,596.20

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Solution

The fourth proportional to 291,529.10, 402,172.68 and 170,596.20 is: 235,342.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,529.10 : 402,172.68 = 170,596.20 : x
  2. Step 2: Convert to fraction form
    291,529.10/402,172.68 = 170,596.20/x
  3. Step 3: Cross multiply
    291,529.10x = 402,172.68 × 170,596.20
  4. Step 4: Simplify right side
    291,529.10x = 68,609,130,951.82
  5. Step 5: Solve for x
    x = 68,609,130,951.82/291,529.10
  6. Step 6: Final answer
    x = 235,342.31

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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.