Home / 112,389.14-168,666.67-53,224.72

Finding the Fourth Proportional to 112,389.14, 168,666.67 and 53,224.72

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Solution

The fourth proportional to 112,389.14, 168,666.67 and 53,224.72 is: 79,876.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,389.14 : 168,666.67 = 53,224.72 : x
  2. Step 2: Convert to fraction form
    112,389.14/168,666.67 = 53,224.72/x
  3. Step 3: Cross multiply
    112,389.14x = 168,666.67 × 53,224.72
  4. Step 4: Simplify right side
    112,389.14x = 8,977,235,729.35
  5. Step 5: Solve for x
    x = 8,977,235,729.35/112,389.14
  6. Step 6: Final answer
    x = 79,876.36

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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.