Home / 237,890.28-328,289.04-130,461.12

Finding the Fourth Proportional to 237,890.28, 328,289.04 and 130,461.12

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Solution

The fourth proportional to 237,890.28, 328,289.04 and 130,461.12 is: 180,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,890.28 : 328,289.04 = 130,461.12 : x
  2. Step 2: Convert to fraction form
    237,890.28/328,289.04 = 130,461.12/x
  3. Step 3: Cross multiply
    237,890.28x = 328,289.04 × 130,461.12
  4. Step 4: Simplify right side
    237,890.28x = 42,828,955,842.12
  5. Step 5: Solve for x
    x = 42,828,955,842.12/237,890.28
  6. Step 6: Final answer
    x = 180,036.59

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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.