Home / 145,946.71-201,401.89-82,283.59

Finding the Fourth Proportional to 145,946.71, 201,401.89 and 82,283.59

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Solution

The fourth proportional to 145,946.71, 201,401.89 and 82,283.59 is: 113,548.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,946.71 : 201,401.89 = 82,283.59 : x
  2. Step 2: Convert to fraction form
    145,946.71/201,401.89 = 82,283.59/x
  3. Step 3: Cross multiply
    145,946.71x = 201,401.89 × 82,283.59
  4. Step 4: Simplify right side
    145,946.71x = 16,572,070,541.99
  5. Step 5: Solve for x
    x = 16,572,070,541.99/145,946.71
  6. Step 6: Final answer
    x = 113,548.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.