Home / 208,352.27-287,525.86-112,859.35

Finding the Fourth Proportional to 208,352.27, 287,525.86 and 112,859.35

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Solution

The fourth proportional to 208,352.27, 287,525.86 and 112,859.35 is: 155,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,352.27 : 287,525.86 = 112,859.35 : x
  2. Step 2: Convert to fraction form
    208,352.27/287,525.86 = 112,859.35/x
  3. Step 3: Cross multiply
    208,352.27x = 287,525.86 × 112,859.35
  4. Step 4: Simplify right side
    208,352.27x = 32,449,980,666.83
  5. Step 5: Solve for x
    x = 32,449,980,666.83/208,352.27
  6. Step 6: Final answer
    x = 155,745.75

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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.