Home / 151,985.48-209,733.42-83,998.94

Finding the Fourth Proportional to 151,985.48, 209,733.42 and 83,998.94

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Solution

The fourth proportional to 151,985.48, 209,733.42 and 83,998.94 is: 115,914.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,985.48 : 209,733.42 = 83,998.94 : x
  2. Step 2: Convert to fraction form
    151,985.48/209,733.42 = 83,998.94/x
  3. Step 3: Cross multiply
    151,985.48x = 209,733.42 × 83,998.94
  4. Step 4: Simplify right side
    151,985.48x = 17,617,384,962.57
  5. Step 5: Solve for x
    x = 17,617,384,962.57/151,985.48
  6. Step 6: Final answer
    x = 115,914.92

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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.