Home / 237,930.14-328,364.66-130,521.11

Finding the Fourth Proportional to 237,930.14, 328,364.66 and 130,521.11

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Solution

The fourth proportional to 237,930.14, 328,364.66 and 130,521.11 is: 180,130.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,930.14 : 328,364.66 = 130,521.11 : x
  2. Step 2: Convert to fraction form
    237,930.14/328,364.66 = 130,521.11/x
  3. Step 3: Cross multiply
    237,930.14x = 328,364.66 × 130,521.11
  4. Step 4: Simplify right side
    237,930.14x = 42,858,518,592.45
  5. Step 5: Solve for x
    x = 42,858,518,592.45/237,930.14
  6. Step 6: Final answer
    x = 180,130.68

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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.