Home / 127,953.86-176,611.47-74,256.17

Finding the Fourth Proportional to 127,953.86, 176,611.47 and 74,256.17

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Solution

The fourth proportional to 127,953.86, 176,611.47 and 74,256.17 is: 102,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,953.86 : 176,611.47 = 74,256.17 : x
  2. Step 2: Convert to fraction form
    127,953.86/176,611.47 = 74,256.17/x
  3. Step 3: Cross multiply
    127,953.86x = 176,611.47 × 74,256.17
  4. Step 4: Simplify right side
    127,953.86x = 13,114,491,340.27
  5. Step 5: Solve for x
    x = 13,114,491,340.27/127,953.86
  6. Step 6: Final answer
    x = 102,493.91

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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.