Home / 385,027.27-531,124.34-223,864.51

Finding the Fourth Proportional to 385,027.27, 531,124.34 and 223,864.51

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Solution

The fourth proportional to 385,027.27, 531,124.34 and 223,864.51 is: 308,809.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,027.27 : 531,124.34 = 223,864.51 : x
  2. Step 2: Convert to fraction form
    385,027.27/531,124.34 = 223,864.51/x
  3. Step 3: Cross multiply
    385,027.27x = 531,124.34 × 223,864.51
  4. Step 4: Simplify right side
    385,027.27x = 118,899,889,931.14
  5. Step 5: Solve for x
    x = 118,899,889,931.14/385,027.27
  6. Step 6: Final answer
    x = 308,809.01

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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.