Home / 219,090.36-302,347.63-123,596.76

Finding the Fourth Proportional to 219,090.36, 302,347.63 and 123,596.76

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Solution

The fourth proportional to 219,090.36, 302,347.63 and 123,596.76 is: 170,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,090.36 : 302,347.63 = 123,596.76 : x
  2. Step 2: Convert to fraction form
    219,090.36/302,347.63 = 123,596.76/x
  3. Step 3: Cross multiply
    219,090.36x = 302,347.63 × 123,596.76
  4. Step 4: Simplify right side
    219,090.36x = 37,369,185,949.94
  5. Step 5: Solve for x
    x = 37,369,185,949.94/219,090.36
  6. Step 6: Final answer
    x = 170,565.18

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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.