Home / 109,752.26-151,455.02-64,429.52

Finding the Fourth Proportional to 109,752.26, 151,455.02 and 64,429.52

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Solution

The fourth proportional to 109,752.26, 151,455.02 and 64,429.52 is: 88,910.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,752.26 : 151,455.02 = 64,429.52 : x
  2. Step 2: Convert to fraction form
    109,752.26/151,455.02 = 64,429.52/x
  3. Step 3: Cross multiply
    109,752.26x = 151,455.02 × 64,429.52
  4. Step 4: Simplify right side
    109,752.26x = 9,758,174,240.19
  5. Step 5: Solve for x
    x = 9,758,174,240.19/109,752.26
  6. Step 6: Final answer
    x = 88,910.92

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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.