Home / 127,634.12-176,128.26-73,914.92

Finding the Fourth Proportional to 127,634.12, 176,128.26 and 73,914.92

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Solution

The fourth proportional to 127,634.12, 176,128.26 and 73,914.92 is: 101,998.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,634.12 : 176,128.26 = 73,914.92 : x
  2. Step 2: Convert to fraction form
    127,634.12/176,128.26 = 73,914.92/x
  3. Step 3: Cross multiply
    127,634.12x = 176,128.26 × 73,914.92
  4. Step 4: Simplify right side
    127,634.12x = 13,018,506,247.64
  5. Step 5: Solve for x
    x = 13,018,506,247.64/127,634.12
  6. Step 6: Final answer
    x = 101,998.64

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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.