Home / 326,984.18-490,275.56-127,071.12

Finding the Fourth Proportional to 326,984.18, 490,275.56 and 127,071.12

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Solution

The fourth proportional to 326,984.18, 490,275.56 and 127,071.12 is: 190,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,984.18 : 490,275.56 = 127,071.12 : x
  2. Step 2: Convert to fraction form
    326,984.18/490,275.56 = 127,071.12/x
  3. Step 3: Cross multiply
    326,984.18x = 490,275.56 × 127,071.12
  4. Step 4: Simplify right side
    326,984.18x = 62,299,863,882.47
  5. Step 5: Solve for x
    x = 62,299,863,882.47/326,984.18
  6. Step 6: Final answer
    x = 190,528.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.