Home / 208,328.44-287,499.14-117,688.23

Finding the Fourth Proportional to 208,328.44, 287,499.14 and 117,688.23

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Solution

The fourth proportional to 208,328.44, 287,499.14 and 117,688.23 is: 162,413.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,328.44 : 287,499.14 = 117,688.23 : x
  2. Step 2: Convert to fraction form
    208,328.44/287,499.14 = 117,688.23/x
  3. Step 3: Cross multiply
    208,328.44x = 287,499.14 × 117,688.23
  4. Step 4: Simplify right side
    208,328.44x = 33,835,264,913.12
  5. Step 5: Solve for x
    x = 33,835,264,913.12/208,328.44
  6. Step 6: Final answer
    x = 162,413.09

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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.