Home / 127,028.82-175,306.77-70,438.98

Finding the Fourth Proportional to 127,028.82, 175,306.77 and 70,438.98

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Solution

The fourth proportional to 127,028.82, 175,306.77 and 70,438.98 is: 97,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,028.82 : 175,306.77 = 70,438.98 : x
  2. Step 2: Convert to fraction form
    127,028.82/175,306.77 = 70,438.98/x
  3. Step 3: Cross multiply
    127,028.82x = 175,306.77 × 70,438.98
  4. Step 4: Simplify right side
    127,028.82x = 12,348,430,065.89
  5. Step 5: Solve for x
    x = 12,348,430,065.89/127,028.82
  6. Step 6: Final answer
    x = 97,209.67

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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.