Home / 106,909.34-160,316.60-56,980.12

Finding the Fourth Proportional to 106,909.34, 160,316.60 and 56,980.12

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Solution

The fourth proportional to 106,909.34, 160,316.60 and 56,980.12 is: 85,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,909.34 : 160,316.60 = 56,980.12 : x
  2. Step 2: Convert to fraction form
    106,909.34/160,316.60 = 56,980.12/x
  3. Step 3: Cross multiply
    106,909.34x = 160,316.60 × 56,980.12
  4. Step 4: Simplify right side
    106,909.34x = 9,134,859,105.99
  5. Step 5: Solve for x
    x = 9,134,859,105.99/106,909.34
  6. Step 6: Final answer
    x = 85,444.91

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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.