Home / 112,312.86-168,692.88-70,267.38

Finding the Fourth Proportional to 112,312.86, 168,692.88 and 70,267.38

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Solution

The fourth proportional to 112,312.86, 168,692.88 and 70,267.38 is: 105,540.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,312.86 : 168,692.88 = 70,267.38 : x
  2. Step 2: Convert to fraction form
    112,312.86/168,692.88 = 70,267.38/x
  3. Step 3: Cross multiply
    112,312.86x = 168,692.88 × 70,267.38
  4. Step 4: Simplify right side
    112,312.86x = 11,853,606,702.25
  5. Step 5: Solve for x
    x = 11,853,606,702.25/112,312.86
  6. Step 6: Final answer
    x = 105,540.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.