Home / 315,573.24-435,507.39-193,027.20

Finding the Fourth Proportional to 315,573.24, 435,507.39 and 193,027.20

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Solution

The fourth proportional to 315,573.24, 435,507.39 and 193,027.20 is: 266,387.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,573.24 : 435,507.39 = 193,027.20 : x
  2. Step 2: Convert to fraction form
    315,573.24/435,507.39 = 193,027.20/x
  3. Step 3: Cross multiply
    315,573.24x = 435,507.39 × 193,027.20
  4. Step 4: Simplify right side
    315,573.24x = 84,064,772,071.01
  5. Step 5: Solve for x
    x = 84,064,772,071.01/315,573.24
  6. Step 6: Final answer
    x = 266,387.52

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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.