Home / 127,816.91-191,725.83-39,070.07

Finding the Fourth Proportional to 127,816.91, 191,725.83 and 39,070.07

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Solution

The fourth proportional to 127,816.91, 191,725.83 and 39,070.07 is: 58,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,816.91 : 191,725.83 = 39,070.07 : x
  2. Step 2: Convert to fraction form
    127,816.91/191,725.83 = 39,070.07/x
  3. Step 3: Cross multiply
    127,816.91x = 191,725.83 × 39,070.07
  4. Step 4: Simplify right side
    127,816.91x = 7,490,740,640.28
  5. Step 5: Solve for x
    x = 7,490,740,640.28/127,816.91
  6. Step 6: Final answer
    x = 58,605.24

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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.