Home / 291,019.24-401,263.03-199,182.81

Finding the Fourth Proportional to 291,019.24, 401,263.03 and 199,182.81

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Solution

The fourth proportional to 291,019.24, 401,263.03 and 199,182.81 is: 274,637.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,019.24 : 401,263.03 = 199,182.81 : x
  2. Step 2: Convert to fraction form
    291,019.24/401,263.03 = 199,182.81/x
  3. Step 3: Cross multiply
    291,019.24x = 401,263.03 × 199,182.81
  4. Step 4: Simplify right side
    291,019.24x = 79,924,697,864.51
  5. Step 5: Solve for x
    x = 79,924,697,864.51/291,019.24
  6. Step 6: Final answer
    x = 274,637.16

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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.