Home / 283,341.02-390,922.86-160,813.70

Finding the Fourth Proportional to 283,341.02, 390,922.86 and 160,813.70

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Solution

The fourth proportional to 283,341.02, 390,922.86 and 160,813.70 is: 221,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,341.02 : 390,922.86 = 160,813.70 : x
  2. Step 2: Convert to fraction form
    283,341.02/390,922.86 = 160,813.70/x
  3. Step 3: Cross multiply
    283,341.02x = 390,922.86 × 160,813.70
  4. Step 4: Simplify right side
    283,341.02x = 62,865,751,531.18
  5. Step 5: Solve for x
    x = 62,865,751,531.18/283,341.02
  6. Step 6: Final answer
    x = 221,873.10

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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.