Home / 125,005.47-187,457.77-46,102.15

Finding the Fourth Proportional to 125,005.47, 187,457.77 and 46,102.15

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Solution

The fourth proportional to 125,005.47, 187,457.77 and 46,102.15 is: 69,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,005.47 : 187,457.77 = 46,102.15 : x
  2. Step 2: Convert to fraction form
    125,005.47/187,457.77 = 46,102.15/x
  3. Step 3: Cross multiply
    125,005.47x = 187,457.77 × 46,102.15
  4. Step 4: Simplify right side
    125,005.47x = 8,642,206,231.21
  5. Step 5: Solve for x
    x = 8,642,206,231.21/125,005.47
  6. Step 6: Final answer
    x = 69,134.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.