Home / 303,004.04-418,159.86-168,869

Finding the Fourth Proportional to 303,004.04, 418,159.86 and 168,869

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Solution

The fourth proportional to 303,004.04, 418,159.86 and 168,869 is: 233,047.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,004.04 : 418,159.86 = 168,869 : x
  2. Step 2: Convert to fraction form
    303,004.04/418,159.86 = 168,869/x
  3. Step 3: Cross multiply
    303,004.04x = 418,159.86 × 168,869
  4. Step 4: Simplify right side
    303,004.04x = 70,614,237,398.34
  5. Step 5: Solve for x
    x = 70,614,237,398.34/303,004.04
  6. Step 6: Final answer
    x = 233,047.18

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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.