Home / 169,217.19-253,647.18-56,790.81

Finding the Fourth Proportional to 169,217.19, 253,647.18 and 56,790.81

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Solution

The fourth proportional to 169,217.19, 253,647.18 and 56,790.81 is: 85,126.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,217.19 : 253,647.18 = 56,790.81 : x
  2. Step 2: Convert to fraction form
    169,217.19/253,647.18 = 56,790.81/x
  3. Step 3: Cross multiply
    169,217.19x = 253,647.18 × 56,790.81
  4. Step 4: Simplify right side
    169,217.19x = 14,404,828,806.42
  5. Step 5: Solve for x
    x = 14,404,828,806.42/169,217.19
  6. Step 6: Final answer
    x = 85,126.27

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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.