Home / 113,186.69-156,197.63-62,885.69

Finding the Fourth Proportional to 113,186.69, 156,197.63 and 62,885.69

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Solution

The fourth proportional to 113,186.69, 156,197.63 and 62,885.69 is: 86,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,186.69 : 156,197.63 = 62,885.69 : x
  2. Step 2: Convert to fraction form
    113,186.69/156,197.63 = 62,885.69/x
  3. Step 3: Cross multiply
    113,186.69x = 156,197.63 × 62,885.69
  4. Step 4: Simplify right side
    113,186.69x = 9,822,595,738.91
  5. Step 5: Solve for x
    x = 9,822,595,738.91/113,186.69
  6. Step 6: Final answer
    x = 86,782.25

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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.