Home / 166,639.29-249,957.74-66,798.03

Finding the Fourth Proportional to 166,639.29, 249,957.74 and 66,798.03

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Solution

The fourth proportional to 166,639.29, 249,957.74 and 66,798.03 is: 100,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,639.29 : 249,957.74 = 66,798.03 : x
  2. Step 2: Convert to fraction form
    166,639.29/249,957.74 = 66,798.03/x
  3. Step 3: Cross multiply
    166,639.29x = 249,957.74 × 66,798.03
  4. Step 4: Simplify right side
    166,639.29x = 16,696,684,281.26
  5. Step 5: Solve for x
    x = 16,696,684,281.26/166,639.29
  6. Step 6: Final answer
    x = 100,196.56

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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.