Home / 178,174.90-245,885.32-101,692.45

Finding the Fourth Proportional to 178,174.90, 245,885.32 and 101,692.45

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Solution

The fourth proportional to 178,174.90, 245,885.32 and 101,692.45 is: 140,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,174.90 : 245,885.32 = 101,692.45 : x
  2. Step 2: Convert to fraction form
    178,174.90/245,885.32 = 101,692.45/x
  3. Step 3: Cross multiply
    178,174.90x = 245,885.32 × 101,692.45
  4. Step 4: Simplify right side
    178,174.90x = 25,004,680,609.83
  5. Step 5: Solve for x
    x = 25,004,680,609.83/178,174.90
  6. Step 6: Final answer
    x = 140,337.84

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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.