Home / 149,525.68-206,335-84,124.36

Finding the Fourth Proportional to 149,525.68, 206,335 and 84,124.36

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Solution

The fourth proportional to 149,525.68, 206,335 and 84,124.36 is: 116,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,525.68 : 206,335 = 84,124.36 : x
  2. Step 2: Convert to fraction form
    149,525.68/206,335 = 84,124.36/x
  3. Step 3: Cross multiply
    149,525.68x = 206,335 × 84,124.36
  4. Step 4: Simplify right side
    149,525.68x = 17,357,799,820.60
  5. Step 5: Solve for x
    x = 17,357,799,820.60/149,525.68
  6. Step 6: Final answer
    x = 116,085.74

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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.