Home / 208,390.33-287,574.69-116,509.24

Finding the Fourth Proportional to 208,390.33, 287,574.69 and 116,509.24

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Solution

The fourth proportional to 208,390.33, 287,574.69 and 116,509.24 is: 160,780.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,390.33 : 287,574.69 = 116,509.24 : x
  2. Step 2: Convert to fraction form
    208,390.33/287,574.69 = 116,509.24/x
  3. Step 3: Cross multiply
    208,390.33x = 287,574.69 × 116,509.24
  4. Step 4: Simplify right side
    208,390.33x = 33,505,108,575.14
  5. Step 5: Solve for x
    x = 33,505,108,575.14/208,390.33
  6. Step 6: Final answer
    x = 160,780.53

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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.