Home / 205,377.40-283,302.58-123,648.84

Finding the Fourth Proportional to 205,377.40, 283,302.58 and 123,648.84

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Solution

The fourth proportional to 205,377.40, 283,302.58 and 123,648.84 is: 170,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,377.40 : 283,302.58 = 123,648.84 : x
  2. Step 2: Convert to fraction form
    205,377.40/283,302.58 = 123,648.84/x
  3. Step 3: Cross multiply
    205,377.40x = 283,302.58 × 123,648.84
  4. Step 4: Simplify right side
    205,377.40x = 35,030,035,386.01
  5. Step 5: Solve for x
    x = 35,030,035,386.01/205,377.40
  6. Step 6: Final answer
    x = 170,564.22

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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.