Home / 112,303.20-168,452.64-37,428.80

Finding the Fourth Proportional to 112,303.20, 168,452.64 and 37,428.80

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Solution

The fourth proportional to 112,303.20, 168,452.64 and 37,428.80 is: 56,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,303.20 : 168,452.64 = 37,428.80 : x
  2. Step 2: Convert to fraction form
    112,303.20/168,452.64 = 37,428.80/x
  3. Step 3: Cross multiply
    112,303.20x = 168,452.64 × 37,428.80
  4. Step 4: Simplify right side
    112,303.20x = 6,304,980,172.03
  5. Step 5: Solve for x
    x = 6,304,980,172.03/112,303.20
  6. Step 6: Final answer
    x = 56,142.48

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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.