Home / 151,649.02-209,273.65-83,668.85

Finding the Fourth Proportional to 151,649.02, 209,273.65 and 83,668.85

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Solution

The fourth proportional to 151,649.02, 209,273.65 and 83,668.85 is: 115,461.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,649.02 : 209,273.65 = 83,668.85 : x
  2. Step 2: Convert to fraction form
    151,649.02/209,273.65 = 83,668.85/x
  3. Step 3: Cross multiply
    151,649.02x = 209,273.65 × 83,668.85
  4. Step 4: Simplify right side
    151,649.02x = 17,509,685,630.80
  5. Step 5: Solve for x
    x = 17,509,685,630.80/151,649.02
  6. Step 6: Final answer
    x = 115,461.91

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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.