Home / 109,628.46-151,288.02-64,333.26

Finding the Fourth Proportional to 109,628.46, 151,288.02 and 64,333.26

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Solution

The fourth proportional to 109,628.46, 151,288.02 and 64,333.26 is: 88,780.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,628.46 : 151,288.02 = 64,333.26 : x
  2. Step 2: Convert to fraction form
    109,628.46/151,288.02 = 64,333.26/x
  3. Step 3: Cross multiply
    109,628.46x = 151,288.02 × 64,333.26
  4. Step 4: Simplify right side
    109,628.46x = 9,732,851,525.55
  5. Step 5: Solve for x
    x = 9,732,851,525.55/109,628.46
  6. Step 6: Final answer
    x = 88,780.34

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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.