Home / 374,145.19-516,331.71-204,390.25

Finding the Fourth Proportional to 374,145.19, 516,331.71 and 204,390.25

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Solution

The fourth proportional to 374,145.19, 516,331.71 and 204,390.25 is: 282,064.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,145.19 : 516,331.71 = 204,390.25 : x
  2. Step 2: Convert to fraction form
    374,145.19/516,331.71 = 204,390.25/x
  3. Step 3: Cross multiply
    374,145.19x = 516,331.71 × 204,390.25
  4. Step 4: Simplify right side
    374,145.19x = 105,533,165,999.00
  5. Step 5: Solve for x
    x = 105,533,165,999.00/374,145.19
  6. Step 6: Final answer
    x = 282,064.74

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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.