Home / 340,929.74-470,486.16-187,973.42

Finding the Fourth Proportional to 340,929.74, 470,486.16 and 187,973.42

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Solution

The fourth proportional to 340,929.74, 470,486.16 and 187,973.42 is: 259,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,929.74 : 470,486.16 = 187,973.42 : x
  2. Step 2: Convert to fraction form
    340,929.74/470,486.16 = 187,973.42/x
  3. Step 3: Cross multiply
    340,929.74x = 470,486.16 × 187,973.42
  4. Step 4: Simplify right side
    340,929.74x = 88,438,892,557.87
  5. Step 5: Solve for x
    x = 88,438,892,557.87/340,929.74
  6. Step 6: Final answer
    x = 259,405.04

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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.