Home / 346,196.50-477,693.45-231,290.92

Finding the Fourth Proportional to 346,196.50, 477,693.45 and 231,290.92

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Solution

The fourth proportional to 346,196.50, 477,693.45 and 231,290.92 is: 319,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,196.50 : 477,693.45 = 231,290.92 : x
  2. Step 2: Convert to fraction form
    346,196.50/477,693.45 = 231,290.92/x
  3. Step 3: Cross multiply
    346,196.50x = 477,693.45 × 231,290.92
  4. Step 4: Simplify right side
    346,196.50x = 110,486,157,528.47
  5. Step 5: Solve for x
    x = 110,486,157,528.47/346,196.50
  6. Step 6: Final answer
    x = 319,142.91

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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.