Home / 314,587.10-434,150.61-187,245.38

Finding the Fourth Proportional to 314,587.10, 434,150.61 and 187,245.38

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Solution

The fourth proportional to 314,587.10, 434,150.61 and 187,245.38 is: 258,410.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,587.10 : 434,150.61 = 187,245.38 : x
  2. Step 2: Convert to fraction form
    314,587.10/434,150.61 = 187,245.38/x
  3. Step 3: Cross multiply
    314,587.10x = 434,150.61 × 187,245.38
  4. Step 4: Simplify right side
    314,587.10x = 81,292,695,946.68
  5. Step 5: Solve for x
    x = 81,292,695,946.68/314,587.10
  6. Step 6: Final answer
    x = 258,410.77

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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.