Home / 185,938.40-278,907.60-61,263.20

Finding the Fourth Proportional to 185,938.40, 278,907.60 and 61,263.20

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Solution

The fourth proportional to 185,938.40, 278,907.60 and 61,263.20 is: 91,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,938.40 : 278,907.60 = 61,263.20 : x
  2. Step 2: Convert to fraction form
    185,938.40/278,907.60 = 61,263.20/x
  3. Step 3: Cross multiply
    185,938.40x = 278,907.60 × 61,263.20
  4. Step 4: Simplify right side
    185,938.40x = 17,086,772,080.32
  5. Step 5: Solve for x
    x = 17,086,772,080.32/185,938.40
  6. Step 6: Final answer
    x = 91,894.80

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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.