Home / 346,407.20-478,014.67-193,433.43

Finding the Fourth Proportional to 346,407.20, 478,014.67 and 193,433.43

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Solution

The fourth proportional to 346,407.20, 478,014.67 and 193,433.43 is: 266,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,407.20 : 478,014.67 = 193,433.43 : x
  2. Step 2: Convert to fraction form
    346,407.20/478,014.67 = 193,433.43/x
  3. Step 3: Cross multiply
    346,407.20x = 478,014.67 × 193,433.43
  4. Step 4: Simplify right side
    346,407.20x = 92,464,018,154.70
  5. Step 5: Solve for x
    x = 92,464,018,154.70/346,407.20
  6. Step 6: Final answer
    x = 266,922.91

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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.