Home / 151,526.08-209,107.47-83,545.48

Finding the Fourth Proportional to 151,526.08, 209,107.47 and 83,545.48

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Solution

The fourth proportional to 151,526.08, 209,107.47 and 83,545.48 is: 115,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,526.08 : 209,107.47 = 83,545.48 : x
  2. Step 2: Convert to fraction form
    151,526.08/209,107.47 = 83,545.48/x
  3. Step 3: Cross multiply
    151,526.08x = 209,107.47 × 83,545.48
  4. Step 4: Simplify right side
    151,526.08x = 17,469,983,952.74
  5. Step 5: Solve for x
    x = 17,469,983,952.74/151,526.08
  6. Step 6: Final answer
    x = 115,293.58

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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.