Home / 166,428.90-249,643.35-73,116.90

Finding the Fourth Proportional to 166,428.90, 249,643.35 and 73,116.90

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Solution

The fourth proportional to 166,428.90, 249,643.35 and 73,116.90 is: 109,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,428.90 : 249,643.35 = 73,116.90 : x
  2. Step 2: Convert to fraction form
    166,428.90/249,643.35 = 73,116.90/x
  3. Step 3: Cross multiply
    166,428.90x = 249,643.35 × 73,116.90
  4. Step 4: Simplify right side
    166,428.90x = 18,253,147,857.62
  5. Step 5: Solve for x
    x = 18,253,147,857.62/166,428.90
  6. Step 6: Final answer
    x = 109,675.35

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1.5x scale

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.