Home / 123,348.14-170,210.93-69,638.46

Finding the Fourth Proportional to 123,348.14, 170,210.93 and 69,638.46

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Solution

The fourth proportional to 123,348.14, 170,210.93 and 69,638.46 is: 96,095.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,348.14 : 170,210.93 = 69,638.46 : x
  2. Step 2: Convert to fraction form
    123,348.14/170,210.93 = 69,638.46/x
  3. Step 3: Cross multiply
    123,348.14x = 170,210.93 × 69,638.46
  4. Step 4: Simplify right side
    123,348.14x = 11,853,226,692.18
  5. Step 5: Solve for x
    x = 11,853,226,692.18/123,348.14
  6. Step 6: Final answer
    x = 96,095.71

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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.