Home / 151,918.07-209,646.23-83,935.04

Finding the Fourth Proportional to 151,918.07, 209,646.23 and 83,935.04

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Solution

The fourth proportional to 151,918.07, 209,646.23 and 83,935.04 is: 115,829.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,918.07 : 209,646.23 = 83,935.04 : x
  2. Step 2: Convert to fraction form
    151,918.07/209,646.23 = 83,935.04/x
  3. Step 3: Cross multiply
    151,918.07x = 209,646.23 × 83,935.04
  4. Step 4: Simplify right side
    151,918.07x = 17,596,663,232.99
  5. Step 5: Solve for x
    x = 17,596,663,232.99/151,918.07
  6. Step 6: Final answer
    x = 115,829.96

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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.