Home / 315,335.04-435,126.72-181,242.24

Finding the Fourth Proportional to 315,335.04, 435,126.72 and 181,242.24

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Solution

The fourth proportional to 315,335.04, 435,126.72 and 181,242.24 is: 250,093.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,335.04 : 435,126.72 = 181,242.24 : x
  2. Step 2: Convert to fraction form
    315,335.04/435,126.72 = 181,242.24/x
  3. Step 3: Cross multiply
    315,335.04x = 435,126.72 × 181,242.24
  4. Step 4: Simplify right side
    315,335.04x = 78,863,341,416.65
  5. Step 5: Solve for x
    x = 78,863,341,416.65/315,335.04
  6. Step 6: Final answer
    x = 250,093.81

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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.