Home / 291,283.13-401,917.06-163,931.69

Finding the Fourth Proportional to 291,283.13, 401,917.06 and 163,931.69

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Solution

The fourth proportional to 291,283.13, 401,917.06 and 163,931.69 is: 226,195.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,283.13 : 401,917.06 = 163,931.69 : x
  2. Step 2: Convert to fraction form
    291,283.13/401,917.06 = 163,931.69/x
  3. Step 3: Cross multiply
    291,283.13x = 401,917.06 × 163,931.69
  4. Step 4: Simplify right side
    291,283.13x = 65,886,942,885.63
  5. Step 5: Solve for x
    x = 65,886,942,885.63/291,283.13
  6. Step 6: Final answer
    x = 226,195.53

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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.