Home / 166,031.53-249,166.98-66,133.94

Finding the Fourth Proportional to 166,031.53, 249,166.98 and 66,133.94

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Solution

The fourth proportional to 166,031.53, 249,166.98 and 66,133.94 is: 99,248.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,031.53 : 249,166.98 = 66,133.94 : x
  2. Step 2: Convert to fraction form
    166,031.53/249,166.98 = 66,133.94/x
  3. Step 3: Cross multiply
    166,031.53x = 249,166.98 × 66,133.94
  4. Step 4: Simplify right side
    166,031.53x = 16,478,392,859.47
  5. Step 5: Solve for x
    x = 16,478,392,859.47/166,031.53
  6. Step 6: Final answer
    x = 99,248.58

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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.