Home / 289,477.43-399,501.02-182,139.47

Finding the Fourth Proportional to 289,477.43, 399,501.02 and 182,139.47

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Solution

The fourth proportional to 289,477.43, 399,501.02 and 182,139.47 is: 251,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,477.43 : 399,501.02 = 182,139.47 : x
  2. Step 2: Convert to fraction form
    289,477.43/399,501.02 = 182,139.47/x
  3. Step 3: Cross multiply
    289,477.43x = 399,501.02 × 182,139.47
  4. Step 4: Simplify right side
    289,477.43x = 72,764,903,136.56
  5. Step 5: Solve for x
    x = 72,764,903,136.56/289,477.43
  6. Step 6: Final answer
    x = 251,366.41

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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.