Home / 311,031.40-466,547.10-133,508.20

Finding the Fourth Proportional to 311,031.40, 466,547.10 and 133,508.20

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Solution

The fourth proportional to 311,031.40, 466,547.10 and 133,508.20 is: 200,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,031.40 : 466,547.10 = 133,508.20 : x
  2. Step 2: Convert to fraction form
    311,031.40/466,547.10 = 133,508.20/x
  3. Step 3: Cross multiply
    311,031.40x = 466,547.10 × 133,508.20
  4. Step 4: Simplify right side
    311,031.40x = 62,287,863,536.22
  5. Step 5: Solve for x
    x = 62,287,863,536.22/311,031.40
  6. Step 6: Final answer
    x = 200,262.30

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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.