Home / 151,459.90-209,006.14-83,476.66

Finding the Fourth Proportional to 151,459.90, 209,006.14 and 83,476.66

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Solution

The fourth proportional to 151,459.90, 209,006.14 and 83,476.66 is: 115,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,459.90 : 209,006.14 = 83,476.66 : x
  2. Step 2: Convert to fraction form
    151,459.90/209,006.14 = 83,476.66/x
  3. Step 3: Cross multiply
    151,459.90x = 209,006.14 × 83,476.66
  4. Step 4: Simplify right side
    151,459.90x = 17,447,134,486.69
  5. Step 5: Solve for x
    x = 17,447,134,486.69/151,459.90
  6. Step 6: Final answer
    x = 115,193.09

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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.