Home / 127,692.63-176,213.76-70,337.45

Finding the Fourth Proportional to 127,692.63, 176,213.76 and 70,337.45

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Solution

The fourth proportional to 127,692.63, 176,213.76 and 70,337.45 is: 97,064.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,692.63 : 176,213.76 = 70,337.45 : x
  2. Step 2: Convert to fraction form
    127,692.63/176,213.76 = 70,337.45/x
  3. Step 3: Cross multiply
    127,692.63x = 176,213.76 × 70,337.45
  4. Step 4: Simplify right side
    127,692.63x = 12,394,425,652.24
  5. Step 5: Solve for x
    x = 12,394,425,652.24/127,692.63
  6. Step 6: Final answer
    x = 97,064.53

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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.