Home / 218,569.68-301,623.12-123,085.68

Finding the Fourth Proportional to 218,569.68, 301,623.12 and 123,085.68

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Solution

The fourth proportional to 218,569.68, 301,623.12 and 123,085.68 is: 169,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,569.68 : 301,623.12 = 123,085.68 : x
  2. Step 2: Convert to fraction form
    218,569.68/301,623.12 = 123,085.68/x
  3. Step 3: Cross multiply
    218,569.68x = 301,623.12 × 123,085.68
  4. Step 4: Simplify right side
    218,569.68x = 37,125,486,828.92
  5. Step 5: Solve for x
    x = 37,125,486,828.92/218,569.68
  6. Step 6: Final answer
    x = 169,856.53

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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.