Home / 168,824.95-253,111.65-56,438.67

Finding the Fourth Proportional to 168,824.95, 253,111.65 and 56,438.67

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Solution

The fourth proportional to 168,824.95, 253,111.65 and 56,438.67 is: 84,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,824.95 : 253,111.65 = 56,438.67 : x
  2. Step 2: Convert to fraction form
    168,824.95/253,111.65 = 56,438.67/x
  3. Step 3: Cross multiply
    168,824.95x = 253,111.65 × 56,438.67
  4. Step 4: Simplify right side
    168,824.95x = 14,285,284,887.51
  5. Step 5: Solve for x
    x = 14,285,284,887.51/168,824.95
  6. Step 6: Final answer
    x = 84,615.96

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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.