Home / 166,362.12-249,443.28-70,184.88

Finding the Fourth Proportional to 166,362.12, 249,443.28 and 70,184.88

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Solution

The fourth proportional to 166,362.12, 249,443.28 and 70,184.88 is: 105,235.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,362.12 : 249,443.28 = 70,184.88 : x
  2. Step 2: Convert to fraction form
    166,362.12/249,443.28 = 70,184.88/x
  3. Step 3: Cross multiply
    166,362.12x = 249,443.28 × 70,184.88
  4. Step 4: Simplify right side
    166,362.12x = 17,507,146,673.61
  5. Step 5: Solve for x
    x = 17,507,146,673.61/166,362.12
  6. Step 6: Final answer
    x = 105,235.17

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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.