Home / 237,814.32-328,186.96-130,384.09

Finding the Fourth Proportional to 237,814.32, 328,186.96 and 130,384.09

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Solution

The fourth proportional to 237,814.32, 328,186.96 and 130,384.09 is: 179,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,814.32 : 328,186.96 = 130,384.09 : x
  2. Step 2: Convert to fraction form
    237,814.32/328,186.96 = 130,384.09/x
  3. Step 3: Cross multiply
    237,814.32x = 328,186.96 × 130,384.09
  4. Step 4: Simplify right side
    237,814.32x = 42,790,358,213.74
  5. Step 5: Solve for x
    x = 42,790,358,213.74/237,814.32
  6. Step 6: Final answer
    x = 179,931.80

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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.