Home / 175,678.37-242,844.74-156,745.79

Finding the Fourth Proportional to 175,678.37, 242,844.74 and 156,745.79

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Solution

The fourth proportional to 175,678.37, 242,844.74 and 156,745.79 is: 216,673.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,678.37 : 242,844.74 = 156,745.79 : x
  2. Step 2: Convert to fraction form
    175,678.37/242,844.74 = 156,745.79/x
  3. Step 3: Cross multiply
    175,678.37x = 242,844.74 × 156,745.79
  4. Step 4: Simplify right side
    175,678.37x = 38,064,888,620.69
  5. Step 5: Solve for x
    x = 38,064,888,620.69/175,678.37
  6. Step 6: Final answer
    x = 216,673.74

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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.