Home / 288,041.16-397,433.16-167,112.36

Finding the Fourth Proportional to 288,041.16, 397,433.16 and 167,112.36

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Solution

The fourth proportional to 288,041.16, 397,433.16 and 167,112.36 is: 230,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,041.16 : 397,433.16 = 167,112.36 : x
  2. Step 2: Convert to fraction form
    288,041.16/397,433.16 = 167,112.36/x
  3. Step 3: Cross multiply
    288,041.16x = 397,433.16 × 167,112.36
  4. Step 4: Simplify right side
    288,041.16x = 66,415,993,309.86
  5. Step 5: Solve for x
    x = 66,415,993,309.86/288,041.16
  6. Step 6: Final answer
    x = 230,578.13

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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.