Home / 283,550.73-391,300.02-156,225.21

Finding the Fourth Proportional to 283,550.73, 391,300.02 and 156,225.21

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Solution

The fourth proportional to 283,550.73, 391,300.02 and 156,225.21 is: 215,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,550.73 : 391,300.02 = 156,225.21 : x
  2. Step 2: Convert to fraction form
    283,550.73/391,300.02 = 156,225.21/x
  3. Step 3: Cross multiply
    283,550.73x = 391,300.02 × 156,225.21
  4. Step 4: Simplify right side
    283,550.73x = 61,130,927,797.50
  5. Step 5: Solve for x
    x = 61,130,927,797.50/283,550.73
  6. Step 6: Final answer
    x = 215,590.80

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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.