Home / 237,666.48-328,128.88-152,930.80

Finding the Fourth Proportional to 237,666.48, 328,128.88 and 152,930.80

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Solution

The fourth proportional to 237,666.48, 328,128.88 and 152,930.80 is: 211,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,666.48 : 328,128.88 = 152,930.80 : x
  2. Step 2: Convert to fraction form
    237,666.48/328,128.88 = 152,930.80/x
  3. Step 3: Cross multiply
    237,666.48x = 328,128.88 × 152,930.80
  4. Step 4: Simplify right side
    237,666.48x = 50,181,012,121.50
  5. Step 5: Solve for x
    x = 50,181,012,121.50/237,666.48
  6. Step 6: Final answer
    x = 211,140.47

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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.