Home / 274,054.12-378,196.70-153,200.32

Finding the Fourth Proportional to 274,054.12, 378,196.70 and 153,200.32

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Solution

The fourth proportional to 274,054.12, 378,196.70 and 153,200.32 is: 211,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,054.12 : 378,196.70 = 153,200.32 : x
  2. Step 2: Convert to fraction form
    274,054.12/378,196.70 = 153,200.32/x
  3. Step 3: Cross multiply
    274,054.12x = 378,196.70 × 153,200.32
  4. Step 4: Simplify right side
    274,054.12x = 57,939,855,462.94
  5. Step 5: Solve for x
    x = 57,939,855,462.94/274,054.12
  6. Step 6: Final answer
    x = 211,417.57

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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.