Home / 291,895.68-402,806.90-171,117.41

Finding the Fourth Proportional to 291,895.68, 402,806.90 and 171,117.41

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Solution

The fourth proportional to 291,895.68, 402,806.90 and 171,117.41 is: 236,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,895.68 : 402,806.90 = 171,117.41 : x
  2. Step 2: Convert to fraction form
    291,895.68/402,806.90 = 171,117.41/x
  3. Step 3: Cross multiply
    291,895.68x = 402,806.90 × 171,117.41
  4. Step 4: Simplify right side
    291,895.68x = 68,927,270,588.51
  5. Step 5: Solve for x
    x = 68,927,270,588.51/291,895.68
  6. Step 6: Final answer
    x = 236,136.66

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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.