Home / 346,586.47-478,235.41-195,680.23

Finding the Fourth Proportional to 346,586.47, 478,235.41 and 195,680.23

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Solution

The fourth proportional to 346,586.47, 478,235.41 and 195,680.23 is: 270,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,586.47 : 478,235.41 = 195,680.23 : x
  2. Step 2: Convert to fraction form
    346,586.47/478,235.41 = 195,680.23/x
  3. Step 3: Cross multiply
    346,586.47x = 478,235.41 × 195,680.23
  4. Step 4: Simplify right side
    346,586.47x = 93,581,215,022.94
  5. Step 5: Solve for x
    x = 93,581,215,022.94/346,586.47
  6. Step 6: Final answer
    x = 270,008.28

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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.