Home / 125,189.04-172,765.08-68,599.92

Finding the Fourth Proportional to 125,189.04, 172,765.08 and 68,599.92

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Solution

The fourth proportional to 125,189.04, 172,765.08 and 68,599.92 is: 94,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,189.04 : 172,765.08 = 68,599.92 : x
  2. Step 2: Convert to fraction form
    125,189.04/172,765.08 = 68,599.92/x
  3. Step 3: Cross multiply
    125,189.04x = 172,765.08 × 68,599.92
  4. Step 4: Simplify right side
    125,189.04x = 11,851,670,666.79
  5. Step 5: Solve for x
    x = 11,851,670,666.79/125,189.04
  6. Step 6: Final answer
    x = 94,670.19

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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.