Home / 127,141.45-175,465.96-69,790.48

Finding the Fourth Proportional to 127,141.45, 175,465.96 and 69,790.48

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Solution

The fourth proportional to 127,141.45, 175,465.96 and 69,790.48 is: 96,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,141.45 : 175,465.96 = 69,790.48 : x
  2. Step 2: Convert to fraction form
    127,141.45/175,465.96 = 69,790.48/x
  3. Step 3: Cross multiply
    127,141.45x = 175,465.96 × 69,790.48
  4. Step 4: Simplify right side
    127,141.45x = 12,245,853,572.06
  5. Step 5: Solve for x
    x = 12,245,853,572.06/127,141.45
  6. Step 6: Final answer
    x = 96,316.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.