Home / 156,716.90-235,075.35-45,908.90

Finding the Fourth Proportional to 156,716.90, 235,075.35 and 45,908.90

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Solution

The fourth proportional to 156,716.90, 235,075.35 and 45,908.90 is: 68,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,716.90 : 235,075.35 = 45,908.90 : x
  2. Step 2: Convert to fraction form
    156,716.90/235,075.35 = 45,908.90/x
  3. Step 3: Cross multiply
    156,716.90x = 235,075.35 × 45,908.90
  4. Step 4: Simplify right side
    156,716.90x = 10,792,050,735.62
  5. Step 5: Solve for x
    x = 10,792,050,735.62/156,716.90
  6. Step 6: Final answer
    x = 68,863.35

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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.