Home / 356,024.61-491,313.60-194,878.22

Finding the Fourth Proportional to 356,024.61, 491,313.60 and 194,878.22

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Solution

The fourth proportional to 356,024.61, 491,313.60 and 194,878.22 is: 268,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,024.61 : 491,313.60 = 194,878.22 : x
  2. Step 2: Convert to fraction form
    356,024.61/491,313.60 = 194,878.22/x
  3. Step 3: Cross multiply
    356,024.61x = 491,313.60 × 194,878.22
  4. Step 4: Simplify right side
    356,024.61x = 95,746,317,373.22
  5. Step 5: Solve for x
    x = 95,746,317,373.22/356,024.61
  6. Step 6: Final answer
    x = 268,931.74

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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.