Home / 346,210.09-477,197.96-231,446.80

Finding the Fourth Proportional to 346,210.09, 477,197.96 and 231,446.80

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Solution

The fourth proportional to 346,210.09, 477,197.96 and 231,446.80 is: 319,014.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,210.09 : 477,197.96 = 231,446.80 : x
  2. Step 2: Convert to fraction form
    346,210.09/477,197.96 = 231,446.80/x
  3. Step 3: Cross multiply
    346,210.09x = 477,197.96 × 231,446.80
  4. Step 4: Simplify right side
    346,210.09x = 110,445,940,247.79
  5. Step 5: Solve for x
    x = 110,445,940,247.79/346,210.09
  6. Step 6: Final answer
    x = 319,014.22

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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.