Home / 166,349.76-249,525.72-66,518.36

Finding the Fourth Proportional to 166,349.76, 249,525.72 and 66,518.36

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Solution

The fourth proportional to 166,349.76, 249,525.72 and 66,518.36 is: 99,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,349.76 : 249,525.72 = 66,518.36 : x
  2. Step 2: Convert to fraction form
    166,349.76/249,525.72 = 66,518.36/x
  3. Step 3: Cross multiply
    166,349.76x = 249,525.72 × 66,518.36
  4. Step 4: Simplify right side
    166,349.76x = 16,598,041,672.22
  5. Step 5: Solve for x
    x = 16,598,041,672.22/166,349.76
  6. Step 6: Final answer
    x = 99,777.97

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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.