Home / 124,121.16-186,181.47-45,203.13

Finding the Fourth Proportional to 124,121.16, 186,181.47 and 45,203.13

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Solution

The fourth proportional to 124,121.16, 186,181.47 and 45,203.13 is: 67,804.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,121.16 : 186,181.47 = 45,203.13 : x
  2. Step 2: Convert to fraction form
    124,121.16/186,181.47 = 45,203.13/x
  3. Step 3: Cross multiply
    124,121.16x = 186,181.47 × 45,203.13
  4. Step 4: Simplify right side
    124,121.16x = 8,415,985,192.00
  5. Step 5: Solve for x
    x = 8,415,985,192.00/124,121.16
  6. Step 6: Final answer
    x = 67,804.60

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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.