Home / 210,966.18-316,373.13-70,692.54

Finding the Fourth Proportional to 210,966.18, 316,373.13 and 70,692.54

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Solution

The fourth proportional to 210,966.18, 316,373.13 and 70,692.54 is: 106,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,966.18 : 316,373.13 = 70,692.54 : x
  2. Step 2: Convert to fraction form
    210,966.18/316,373.13 = 70,692.54/x
  3. Step 3: Cross multiply
    210,966.18x = 316,373.13 × 70,692.54
  4. Step 4: Simplify right side
    210,966.18x = 22,365,220,147.45
  5. Step 5: Solve for x
    x = 22,365,220,147.45/210,966.18
  6. Step 6: Final answer
    x = 106,013.30

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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.