Home / 127,042.16-175,313.77-70,458.80

Finding the Fourth Proportional to 127,042.16, 175,313.77 and 70,458.80

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Solution

The fourth proportional to 127,042.16, 175,313.77 and 70,458.80 is: 97,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,042.16 : 175,313.77 = 70,458.80 : x
  2. Step 2: Convert to fraction form
    127,042.16/175,313.77 = 70,458.80/x
  3. Step 3: Cross multiply
    127,042.16x = 175,313.77 × 70,458.80
  4. Step 4: Simplify right side
    127,042.16x = 12,352,396,804.96
  5. Step 5: Solve for x
    x = 12,352,396,804.96/127,042.16
  6. Step 6: Final answer
    x = 97,230.69

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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.