Home / 219,014.83-302,240.41-123,521.32

Finding the Fourth Proportional to 219,014.83, 302,240.41 and 123,521.32

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Solution

The fourth proportional to 219,014.83, 302,240.41 and 123,521.32 is: 170,459.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,014.83 : 302,240.41 = 123,521.32 : x
  2. Step 2: Convert to fraction form
    219,014.83/302,240.41 = 123,521.32/x
  3. Step 3: Cross multiply
    219,014.83x = 302,240.41 × 123,521.32
  4. Step 4: Simplify right side
    219,014.83x = 37,333,134,400.54
  5. Step 5: Solve for x
    x = 37,333,134,400.54/219,014.83
  6. Step 6: Final answer
    x = 170,459.39

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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.