Home / 166,385.68-249,604.32-70,323.30

Finding the Fourth Proportional to 166,385.68, 249,604.32 and 70,323.30

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Solution

The fourth proportional to 166,385.68, 249,604.32 and 70,323.30 is: 105,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,385.68 : 249,604.32 = 70,323.30 : x
  2. Step 2: Convert to fraction form
    166,385.68/249,604.32 = 70,323.30/x
  3. Step 3: Cross multiply
    166,385.68x = 249,604.32 × 70,323.30
  4. Step 4: Simplify right side
    166,385.68x = 17,552,999,476.66
  5. Step 5: Solve for x
    x = 17,552,999,476.66/166,385.68
  6. Step 6: Final answer
    x = 105,495.85

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1.5x scale

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.