Home / 190,924.40-286,386.60-123,564.80

Finding the Fourth Proportional to 190,924.40, 286,386.60 and 123,564.80

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Solution

The fourth proportional to 190,924.40, 286,386.60 and 123,564.80 is: 185,347.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,924.40 : 286,386.60 = 123,564.80 : x
  2. Step 2: Convert to fraction form
    190,924.40/286,386.60 = 123,564.80/x
  3. Step 3: Cross multiply
    190,924.40x = 286,386.60 × 123,564.80
  4. Step 4: Simplify right side
    190,924.40x = 35,387,302,951.68
  5. Step 5: Solve for x
    x = 35,387,302,951.68/190,924.40
  6. Step 6: Final answer
    x = 185,347.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.