Home / 125,217.03-172,774.04-74,207.32

Finding the Fourth Proportional to 125,217.03, 172,774.04 and 74,207.32

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Solution

The fourth proportional to 125,217.03, 172,774.04 and 74,207.32 is: 102,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,217.03 : 172,774.04 = 74,207.32 : x
  2. Step 2: Convert to fraction form
    125,217.03/172,774.04 = 74,207.32/x
  3. Step 3: Cross multiply
    125,217.03x = 172,774.04 × 74,207.32
  4. Step 4: Simplify right side
    125,217.03x = 12,821,097,671.00
  5. Step 5: Solve for x
    x = 12,821,097,671.00/125,217.03
  6. Step 6: Final answer
    x = 102,391.01

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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.