Home / 107,315.70-160,973.55-28,437.90

Finding the Fourth Proportional to 107,315.70, 160,973.55 and 28,437.90

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Solution

The fourth proportional to 107,315.70, 160,973.55 and 28,437.90 is: 42,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,315.70 : 160,973.55 = 28,437.90 : x
  2. Step 2: Convert to fraction form
    107,315.70/160,973.55 = 28,437.90/x
  3. Step 3: Cross multiply
    107,315.70x = 160,973.55 × 28,437.90
  4. Step 4: Simplify right side
    107,315.70x = 4,577,749,717.55
  5. Step 5: Solve for x
    x = 4,577,749,717.55/107,315.70
  6. Step 6: Final answer
    x = 42,656.85

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1.5x scale

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.