Home / 208,026.50-287,074.86-112,533.44

Finding the Fourth Proportional to 208,026.50, 287,074.86 and 112,533.44

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Solution

The fourth proportional to 208,026.50, 287,074.86 and 112,533.44 is: 155,295.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,026.50 : 287,074.86 = 112,533.44 : x
  2. Step 2: Convert to fraction form
    208,026.50/287,074.86 = 112,533.44/x
  3. Step 3: Cross multiply
    208,026.50x = 287,074.86 × 112,533.44
  4. Step 4: Simplify right side
    208,026.50x = 32,305,521,533.32
  5. Step 5: Solve for x
    x = 32,305,521,533.32/208,026.50
  6. Step 6: Final answer
    x = 155,295.22

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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.