Home / 151,509.29-209,084.27-83,528.75

Finding the Fourth Proportional to 151,509.29, 209,084.27 and 83,528.75

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Solution

The fourth proportional to 151,509.29, 209,084.27 and 83,528.75 is: 115,270.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,509.29 : 209,084.27 = 83,528.75 : x
  2. Step 2: Convert to fraction form
    151,509.29/209,084.27 = 83,528.75/x
  3. Step 3: Cross multiply
    151,509.29x = 209,084.27 × 83,528.75
  4. Step 4: Simplify right side
    151,509.29x = 17,464,546,254.70
  5. Step 5: Solve for x
    x = 17,464,546,254.70/151,509.29
  6. Step 6: Final answer
    x = 115,270.47

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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.