Home / 127,649.94-176,130.23-73,931.75

Finding the Fourth Proportional to 127,649.94, 176,130.23 and 73,931.75

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Solution

The fourth proportional to 127,649.94, 176,130.23 and 73,931.75 is: 102,010.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,649.94 : 176,130.23 = 73,931.75 : x
  2. Step 2: Convert to fraction form
    127,649.94/176,130.23 = 73,931.75/x
  3. Step 3: Cross multiply
    127,649.94x = 176,130.23 × 73,931.75
  4. Step 4: Simplify right side
    127,649.94x = 13,021,615,541.98
  5. Step 5: Solve for x
    x = 13,021,615,541.98/127,649.94
  6. Step 6: Final answer
    x = 102,010.36

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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.