Home / 126,957.96-190,437.62-38,210.85

Finding the Fourth Proportional to 126,957.96, 190,437.62 and 38,210.85

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Solution

The fourth proportional to 126,957.96, 190,437.62 and 38,210.85 is: 57,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,957.96 : 190,437.62 = 38,210.85 : x
  2. Step 2: Convert to fraction form
    126,957.96/190,437.62 = 38,210.85/x
  3. Step 3: Cross multiply
    126,957.96x = 190,437.62 × 38,210.85
  4. Step 4: Simplify right side
    126,957.96x = 7,276,783,141.12
  5. Step 5: Solve for x
    x = 7,276,783,141.12/126,957.96
  6. Step 6: Final answer
    x = 57,316.48

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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.