Home / 237,778.07-328,131.35-130,349.90

Finding the Fourth Proportional to 237,778.07, 328,131.35 and 130,349.90

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Solution

The fourth proportional to 237,778.07, 328,131.35 and 130,349.90 is: 179,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,778.07 : 328,131.35 = 130,349.90 : x
  2. Step 2: Convert to fraction form
    237,778.07/328,131.35 = 130,349.90/x
  3. Step 3: Cross multiply
    237,778.07x = 328,131.35 × 130,349.90
  4. Step 4: Simplify right side
    237,778.07x = 42,771,886,366.96
  5. Step 5: Solve for x
    x = 42,771,886,366.96/237,778.07
  6. Step 6: Final answer
    x = 179,881.55

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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.