Home / 302,947.16-418,085.34-166,980.92

Finding the Fourth Proportional to 302,947.16, 418,085.34 and 166,980.92

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Solution

The fourth proportional to 302,947.16, 418,085.34 and 166,980.92 is: 230,443.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,947.16 : 418,085.34 = 166,980.92 : x
  2. Step 2: Convert to fraction form
    302,947.16/418,085.34 = 166,980.92/x
  3. Step 3: Cross multiply
    302,947.16x = 418,085.34 × 166,980.92
  4. Step 4: Simplify right side
    302,947.16x = 69,812,274,711.71
  5. Step 5: Solve for x
    x = 69,812,274,711.71/302,947.16
  6. Step 6: Final answer
    x = 230,443.73

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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.