Home / 447,031.32-670,547.10-131,488.22

Finding the Fourth Proportional to 447,031.32, 670,547.10 and 131,488.22

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Solution

The fourth proportional to 447,031.32, 670,547.10 and 131,488.22 is: 197,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,031.32 : 670,547.10 = 131,488.22 : x
  2. Step 2: Convert to fraction form
    447,031.32/670,547.10 = 131,488.22/x
  3. Step 3: Cross multiply
    447,031.32x = 670,547.10 × 131,488.22
  4. Step 4: Simplify right side
    447,031.32x = 88,169,044,605.16
  5. Step 5: Solve for x
    x = 88,169,044,605.16/447,031.32
  6. Step 6: Final answer
    x = 197,232.37

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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.