Home / 156,950.10-235,455.44-66,991.50

Finding the Fourth Proportional to 156,950.10, 235,455.44 and 66,991.50

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Solution

The fourth proportional to 156,950.10, 235,455.44 and 66,991.50 is: 100,500.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,950.10 : 235,455.44 = 66,991.50 : x
  2. Step 2: Convert to fraction form
    156,950.10/235,455.44 = 66,991.50/x
  3. Step 3: Cross multiply
    156,950.10x = 235,455.44 × 66,991.50
  4. Step 4: Simplify right side
    156,950.10x = 15,773,513,108.76
  5. Step 5: Solve for x
    x = 15,773,513,108.76/156,950.10
  6. Step 6: Final answer
    x = 100,500.18

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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.