Home / 141,172.80-211,756.46-56,931.07

Finding the Fourth Proportional to 141,172.80, 211,756.46 and 56,931.07

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Solution

The fourth proportional to 141,172.80, 211,756.46 and 56,931.07 is: 85,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,172.80 : 211,756.46 = 56,931.07 : x
  2. Step 2: Convert to fraction form
    141,172.80/211,756.46 = 56,931.07/x
  3. Step 3: Cross multiply
    141,172.80x = 211,756.46 × 56,931.07
  4. Step 4: Simplify right side
    141,172.80x = 12,055,521,847.21
  5. Step 5: Solve for x
    x = 12,055,521,847.21/141,172.80
  6. Step 6: Final answer
    x = 85,395.50

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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.