Home / 291,328.15-402,026.67-162,266.23

Finding the Fourth Proportional to 291,328.15, 402,026.67 and 162,266.23

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Solution

The fourth proportional to 291,328.15, 402,026.67 and 162,266.23 is: 223,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,328.15 : 402,026.67 = 162,266.23 : x
  2. Step 2: Convert to fraction form
    291,328.15/402,026.67 = 162,266.23/x
  3. Step 3: Cross multiply
    291,328.15x = 402,026.67 × 162,266.23
  4. Step 4: Simplify right side
    291,328.15x = 65,235,352,100.35
  5. Step 5: Solve for x
    x = 65,235,352,100.35/291,328.15
  6. Step 6: Final answer
    x = 223,923.96

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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.