Home / 283,336.02-390,915.96-160,808.70

Finding the Fourth Proportional to 283,336.02, 390,915.96 and 160,808.70

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Solution

The fourth proportional to 283,336.02, 390,915.96 and 160,808.70 is: 221,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,336.02 : 390,915.96 = 160,808.70 : x
  2. Step 2: Convert to fraction form
    283,336.02/390,915.96 = 160,808.70/x
  3. Step 3: Cross multiply
    283,336.02x = 390,915.96 × 160,808.70
  4. Step 4: Simplify right side
    283,336.02x = 62,862,687,336.85
  5. Step 5: Solve for x
    x = 62,862,687,336.85/283,336.02
  6. Step 6: Final answer
    x = 221,866.20

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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.