Home / 314,328.05-433,471.20-211,195.48

Finding the Fourth Proportional to 314,328.05, 433,471.20 and 211,195.48

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Solution

The fourth proportional to 314,328.05, 433,471.20 and 211,195.48 is: 291,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,328.05 : 433,471.20 = 211,195.48 : x
  2. Step 2: Convert to fraction form
    314,328.05/433,471.20 = 211,195.48/x
  3. Step 3: Cross multiply
    314,328.05x = 433,471.20 × 211,195.48
  4. Step 4: Simplify right side
    314,328.05x = 91,547,158,150.18
  5. Step 5: Solve for x
    x = 91,547,158,150.18/314,328.05
  6. Step 6: Final answer
    x = 291,247.18

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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.