Home / 289,569.71-399,605.93-162,246.22

Finding the Fourth Proportional to 289,569.71, 399,605.93 and 162,246.22

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Solution

The fourth proportional to 289,569.71, 399,605.93 and 162,246.22 is: 223,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,569.71 : 399,605.93 = 162,246.22 : x
  2. Step 2: Convert to fraction form
    289,569.71/399,605.93 = 162,246.22/x
  3. Step 3: Cross multiply
    289,569.71x = 399,605.93 × 162,246.22
  4. Step 4: Simplify right side
    289,569.71x = 64,834,551,632.08
  5. Step 5: Solve for x
    x = 64,834,551,632.08/289,569.71
  6. Step 6: Final answer
    x = 223,899.63

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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.