Home / 237,683.49-328,005.80-130,251.21

Finding the Fourth Proportional to 237,683.49, 328,005.80 and 130,251.21

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Solution

The fourth proportional to 237,683.49, 328,005.80 and 130,251.21 is: 179,748.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,683.49 : 328,005.80 = 130,251.21 : x
  2. Step 2: Convert to fraction form
    237,683.49/328,005.80 = 130,251.21/x
  3. Step 3: Cross multiply
    237,683.49x = 328,005.80 × 130,251.21
  4. Step 4: Simplify right side
    237,683.49x = 42,723,152,337.02
  5. Step 5: Solve for x
    x = 42,723,152,337.02/237,683.49
  6. Step 6: Final answer
    x = 179,748.09

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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.