Home / 125,175.03-172,740.40-67,813.03

Finding the Fourth Proportional to 125,175.03, 172,740.40 and 67,813.03

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Solution

The fourth proportional to 125,175.03, 172,740.40 and 67,813.03 is: 93,581.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,175.03 : 172,740.40 = 67,813.03 : x
  2. Step 2: Convert to fraction form
    125,175.03/172,740.40 = 67,813.03/x
  3. Step 3: Cross multiply
    125,175.03x = 172,740.40 × 67,813.03
  4. Step 4: Simplify right side
    125,175.03x = 11,714,049,927.41
  5. Step 5: Solve for x
    x = 11,714,049,927.41/125,175.03
  6. Step 6: Final answer
    x = 93,581.36

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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.