Home / 315,530.14-473,187.91-102,240.23

Finding the Fourth Proportional to 315,530.14, 473,187.91 and 102,240.23

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Solution

The fourth proportional to 315,530.14, 473,187.91 and 102,240.23 is: 153,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,530.14 : 473,187.91 = 102,240.23 : x
  2. Step 2: Convert to fraction form
    315,530.14/473,187.91 = 102,240.23/x
  3. Step 3: Cross multiply
    315,530.14x = 473,187.91 × 102,240.23
  4. Step 4: Simplify right side
    315,530.14x = 48,378,840,751.62
  5. Step 5: Solve for x
    x = 48,378,840,751.62/315,530.14
  6. Step 6: Final answer
    x = 153,325.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.