Home / 166,601.32-249,790.77-91,756.90

Finding the Fourth Proportional to 166,601.32, 249,790.77 and 91,756.90

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Solution

The fourth proportional to 166,601.32, 249,790.77 and 91,756.90 is: 137,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,601.32 : 249,790.77 = 91,756.90 : x
  2. Step 2: Convert to fraction form
    166,601.32/249,790.77 = 91,756.90/x
  3. Step 3: Cross multiply
    166,601.32x = 249,790.77 × 91,756.90
  4. Step 4: Simplify right side
    166,601.32x = 22,920,026,703.81
  5. Step 5: Solve for x
    x = 22,920,026,703.81/166,601.32
  6. Step 6: Final answer
    x = 137,574.10

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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.