Home / 151,784.06-209,461.02-83,805.26

Finding the Fourth Proportional to 151,784.06, 209,461.02 and 83,805.26

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Solution

The fourth proportional to 151,784.06, 209,461.02 and 83,805.26 is: 115,650.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,784.06 : 209,461.02 = 83,805.26 : x
  2. Step 2: Convert to fraction form
    151,784.06/209,461.02 = 83,805.26/x
  3. Step 3: Cross multiply
    151,784.06x = 209,461.02 × 83,805.26
  4. Step 4: Simplify right side
    151,784.06x = 17,553,935,240.97
  5. Step 5: Solve for x
    x = 17,553,935,240.97/151,784.06
  6. Step 6: Final answer
    x = 115,650.72

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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.