Home / 102,282.32-141,145.66-56,962.22

Finding the Fourth Proportional to 102,282.32, 141,145.66 and 56,962.22

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Solution

The fourth proportional to 102,282.32, 141,145.66 and 56,962.22 is: 78,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,282.32 : 141,145.66 = 56,962.22 : x
  2. Step 2: Convert to fraction form
    102,282.32/141,145.66 = 56,962.22/x
  3. Step 3: Cross multiply
    102,282.32x = 141,145.66 × 56,962.22
  4. Step 4: Simplify right side
    102,282.32x = 8,039,970,136.97
  5. Step 5: Solve for x
    x = 8,039,970,136.97/102,282.32
  6. Step 6: Final answer
    x = 78,605.67

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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.