Home / 358,305.12-537,371.28-105,516.72

Finding the Fourth Proportional to 358,305.12, 537,371.28 and 105,516.72

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Solution

The fourth proportional to 358,305.12, 537,371.28 and 105,516.72 is: 158,249.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,305.12 : 537,371.28 = 105,516.72 : x
  2. Step 2: Convert to fraction form
    358,305.12/537,371.28 = 105,516.72/x
  3. Step 3: Cross multiply
    358,305.12x = 537,371.28 × 105,516.72
  4. Step 4: Simplify right side
    358,305.12x = 56,701,654,887.80
  5. Step 5: Solve for x
    x = 56,701,654,887.80/358,305.12
  6. Step 6: Final answer
    x = 158,249.64

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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.