Home / 125,223.45-172,807.98-67,864.41

Finding the Fourth Proportional to 125,223.45, 172,807.98 and 67,864.41

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Solution

The fourth proportional to 125,223.45, 172,807.98 and 67,864.41 is: 93,652.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,223.45 : 172,807.98 = 67,864.41 : x
  2. Step 2: Convert to fraction form
    125,223.45/172,807.98 = 67,864.41/x
  3. Step 3: Cross multiply
    125,223.45x = 172,807.98 × 67,864.41
  4. Step 4: Simplify right side
    125,223.45x = 11,727,511,605.99
  5. Step 5: Solve for x
    x = 11,727,511,605.99/125,223.45
  6. Step 6: Final answer
    x = 93,652.68

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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.