Home / 127,597.05-176,053.86-107,256.45

Finding the Fourth Proportional to 127,597.05, 176,053.86 and 107,256.45

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Solution

The fourth proportional to 127,597.05, 176,053.86 and 107,256.45 is: 147,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,597.05 : 176,053.86 = 107,256.45 : x
  2. Step 2: Convert to fraction form
    127,597.05/176,053.86 = 107,256.45/x
  3. Step 3: Cross multiply
    127,597.05x = 176,053.86 × 107,256.45
  4. Step 4: Simplify right side
    127,597.05x = 18,882,912,032.40
  5. Step 5: Solve for x
    x = 18,882,912,032.40/127,597.05
  6. Step 6: Final answer
    x = 147,988.63

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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.