Home / 151,513.00-209,084.09-83,528.40

Finding the Fourth Proportional to 151,513.00, 209,084.09 and 83,528.40

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Solution

The fourth proportional to 151,513.00, 209,084.09 and 83,528.40 is: 115,267.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,513.00 : 209,084.09 = 83,528.40 : x
  2. Step 2: Convert to fraction form
    151,513.00/209,084.09 = 83,528.40/x
  3. Step 3: Cross multiply
    151,513.00x = 209,084.09 × 83,528.40
  4. Step 4: Simplify right side
    151,513.00x = 17,464,459,711.98
  5. Step 5: Solve for x
    x = 17,464,459,711.98/151,513.00
  6. Step 6: Final answer
    x = 115,267.07

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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.