Home / 294,785.72-442,272.04-105,242.02

Finding the Fourth Proportional to 294,785.72, 442,272.04 and 105,242.02

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Solution

The fourth proportional to 294,785.72, 442,272.04 and 105,242.02 is: 157,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,785.72 : 442,272.04 = 105,242.02 : x
  2. Step 2: Convert to fraction form
    294,785.72/442,272.04 = 105,242.02/x
  3. Step 3: Cross multiply
    294,785.72x = 442,272.04 × 105,242.02
  4. Step 4: Simplify right side
    294,785.72x = 46,545,602,879.12
  5. Step 5: Solve for x
    x = 46,545,602,879.12/294,785.72
  6. Step 6: Final answer
    x = 157,896.40

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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.