Home / 113,205.69-156,225.29-62,223.98

Finding the Fourth Proportional to 113,205.69, 156,225.29 and 62,223.98

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Solution

The fourth proportional to 113,205.69, 156,225.29 and 62,223.98 is: 85,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,205.69 : 156,225.29 = 62,223.98 : x
  2. Step 2: Convert to fraction form
    113,205.69/156,225.29 = 62,223.98/x
  3. Step 3: Cross multiply
    113,205.69x = 156,225.29 × 62,223.98
  4. Step 4: Simplify right side
    113,205.69x = 9,720,958,228.21
  5. Step 5: Solve for x
    x = 9,720,958,228.21/113,205.69
  6. Step 6: Final answer
    x = 85,869.87

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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.