Home / 166,439.12-249,671.24-48,111.35

Finding the Fourth Proportional to 166,439.12, 249,671.24 and 48,111.35

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Solution

The fourth proportional to 166,439.12, 249,671.24 and 48,111.35 is: 72,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,439.12 : 249,671.24 = 48,111.35 : x
  2. Step 2: Convert to fraction form
    166,439.12/249,671.24 = 48,111.35/x
  3. Step 3: Cross multiply
    166,439.12x = 249,671.24 × 48,111.35
  4. Step 4: Simplify right side
    166,439.12x = 12,012,020,172.02
  5. Step 5: Solve for x
    x = 12,012,020,172.02/166,439.12
  6. Step 6: Final answer
    x = 72,170.65

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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.