Home / 208,535.46-287,776.77-116,653.56

Finding the Fourth Proportional to 208,535.46, 287,776.77 and 116,653.56

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Solution

The fourth proportional to 208,535.46, 287,776.77 and 116,653.56 is: 160,980.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,535.46 : 287,776.77 = 116,653.56 : x
  2. Step 2: Convert to fraction form
    208,535.46/287,776.77 = 116,653.56/x
  3. Step 3: Cross multiply
    208,535.46x = 287,776.77 × 116,653.56
  4. Step 4: Simplify right side
    208,535.46x = 33,570,184,705.80
  5. Step 5: Solve for x
    x = 33,570,184,705.80/208,535.46
  6. Step 6: Final answer
    x = 160,980.70

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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.