Home / 209,572.17-289,247.34-123,526.13

Finding the Fourth Proportional to 209,572.17, 289,247.34 and 123,526.13

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Solution

The fourth proportional to 209,572.17, 289,247.34 and 123,526.13 is: 170,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,572.17 : 289,247.34 = 123,526.13 : x
  2. Step 2: Convert to fraction form
    209,572.17/289,247.34 = 123,526.13/x
  3. Step 3: Cross multiply
    209,572.17x = 289,247.34 × 123,526.13
  4. Step 4: Simplify right side
    209,572.17x = 35,729,604,645.87
  5. Step 5: Solve for x
    x = 35,729,604,645.87/209,572.17
  6. Step 6: Final answer
    x = 170,488.31

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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.