Home / 153,600.10-211,961.33-85,624.50

Finding the Fourth Proportional to 153,600.10, 211,961.33 and 85,624.50

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Solution

The fourth proportional to 153,600.10, 211,961.33 and 85,624.50 is: 118,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,600.10 : 211,961.33 = 85,624.50 : x
  2. Step 2: Convert to fraction form
    153,600.10/211,961.33 = 85,624.50/x
  3. Step 3: Cross multiply
    153,600.10x = 211,961.33 × 85,624.50
  4. Step 4: Simplify right side
    153,600.10x = 18,149,082,900.59
  5. Step 5: Solve for x
    x = 18,149,082,900.59/153,600.10
  6. Step 6: Final answer
    x = 118,158.01

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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.