Home / 185,631.80-278,447.70-166,386.20

Finding the Fourth Proportional to 185,631.80, 278,447.70 and 166,386.20

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Solution

The fourth proportional to 185,631.80, 278,447.70 and 166,386.20 is: 249,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,631.80 : 278,447.70 = 166,386.20 : x
  2. Step 2: Convert to fraction form
    185,631.80/278,447.70 = 166,386.20/x
  3. Step 3: Cross multiply
    185,631.80x = 278,447.70 × 166,386.20
  4. Step 4: Simplify right side
    185,631.80x = 46,329,854,701.74
  5. Step 5: Solve for x
    x = 46,329,854,701.74/185,631.80
  6. Step 6: Final answer
    x = 249,579.30

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