Home / 237,968.12-328,394.04-130,535.66

Finding the Fourth Proportional to 237,968.12, 328,394.04 and 130,535.66

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Solution

The fourth proportional to 237,968.12, 328,394.04 and 130,535.66 is: 180,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,968.12 : 328,394.04 = 130,535.66 : x
  2. Step 2: Convert to fraction form
    237,968.12/328,394.04 = 130,535.66/x
  3. Step 3: Cross multiply
    237,968.12x = 328,394.04 × 130,535.66
  4. Step 4: Simplify right side
    237,968.12x = 42,867,132,751.47
  5. Step 5: Solve for x
    x = 42,867,132,751.47/237,968.12
  6. Step 6: Final answer
    x = 180,138.13

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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.