Home / 166,509.37-249,862.47-61,402.15

Finding the Fourth Proportional to 166,509.37, 249,862.47 and 61,402.15

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Solution

The fourth proportional to 166,509.37, 249,862.47 and 61,402.15 is: 92,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,509.37 : 249,862.47 = 61,402.15 : x
  2. Step 2: Convert to fraction form
    166,509.37/249,862.47 = 61,402.15/x
  3. Step 3: Cross multiply
    166,509.37x = 249,862.47 × 61,402.15
  4. Step 4: Simplify right side
    166,509.37x = 15,342,091,305.99
  5. Step 5: Solve for x
    x = 15,342,091,305.99/166,509.37
  6. Step 6: Final answer
    x = 92,139.51

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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.