Home / 472,630.10-709,031.55-192,175.70

Finding the Fourth Proportional to 472,630.10, 709,031.55 and 192,175.70

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Solution

The fourth proportional to 472,630.10, 709,031.55 and 192,175.70 is: 288,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,630.10 : 709,031.55 = 192,175.70 : x
  2. Step 2: Convert to fraction form
    472,630.10/709,031.55 = 192,175.70/x
  3. Step 3: Cross multiply
    472,630.10x = 709,031.55 × 192,175.70
  4. Step 4: Simplify right side
    472,630.10x = 136,258,634,443.34
  5. Step 5: Solve for x
    x = 136,258,634,443.34/472,630.10
  6. Step 6: Final answer
    x = 288,298.68

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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.