Home / 139,718.28-209,603.34-46,224.84

Finding the Fourth Proportional to 139,718.28, 209,603.34 and 46,224.84

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Solution

The fourth proportional to 139,718.28, 209,603.34 and 46,224.84 is: 69,345.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,718.28 : 209,603.34 = 46,224.84 : x
  2. Step 2: Convert to fraction form
    139,718.28/209,603.34 = 46,224.84/x
  3. Step 3: Cross multiply
    139,718.28x = 209,603.34 × 46,224.84
  4. Step 4: Simplify right side
    139,718.28x = 9,688,880,854.97
  5. Step 5: Solve for x
    x = 9,688,880,854.97/139,718.28
  6. Step 6: Final answer
    x = 69,345.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.