Home / 291,248.17-401,921.67-163,923.79

Finding the Fourth Proportional to 291,248.17, 401,921.67 and 163,923.79

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Solution

The fourth proportional to 291,248.17, 401,921.67 and 163,923.79 is: 226,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,248.17 : 401,921.67 = 163,923.79 : x
  2. Step 2: Convert to fraction form
    291,248.17/401,921.67 = 163,923.79/x
  3. Step 3: Cross multiply
    291,248.17x = 401,921.67 × 163,923.79
  4. Step 4: Simplify right side
    291,248.17x = 65,884,523,429.53
  5. Step 5: Solve for x
    x = 65,884,523,429.53/291,248.17
  6. Step 6: Final answer
    x = 226,214.38

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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.