Home / 225,109.18-310,646.91-124,507.18

Finding the Fourth Proportional to 225,109.18, 310,646.91 and 124,507.18

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Solution

The fourth proportional to 225,109.18, 310,646.91 and 124,507.18 is: 171,817.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,109.18 : 310,646.91 = 124,507.18 : x
  2. Step 2: Convert to fraction form
    225,109.18/310,646.91 = 124,507.18/x
  3. Step 3: Cross multiply
    225,109.18x = 310,646.91 × 124,507.18
  4. Step 4: Simplify right side
    225,109.18x = 38,677,770,739.81
  5. Step 5: Solve for x
    x = 38,677,770,739.81/225,109.18
  6. Step 6: Final answer
    x = 171,817.83

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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.