Home / 283,980.19-391,879.47-163,036.36

Finding the Fourth Proportional to 283,980.19, 391,879.47 and 163,036.36

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Solution

The fourth proportional to 283,980.19, 391,879.47 and 163,036.36 is: 224,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,980.19 : 391,879.47 = 163,036.36 : x
  2. Step 2: Convert to fraction form
    283,980.19/391,879.47 = 163,036.36/x
  3. Step 3: Cross multiply
    283,980.19x = 391,879.47 × 163,036.36
  4. Step 4: Simplify right side
    283,980.19x = 63,890,602,347.53
  5. Step 5: Solve for x
    x = 63,890,602,347.53/283,980.19
  6. Step 6: Final answer
    x = 224,982.60

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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.