Home / 134,187.12-185,186.52-111,792.24

Finding the Fourth Proportional to 134,187.12, 185,186.52 and 111,792.24

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Solution

The fourth proportional to 134,187.12, 185,186.52 and 111,792.24 is: 154,280.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,187.12 : 185,186.52 = 111,792.24 : x
  2. Step 2: Convert to fraction form
    134,187.12/185,186.52 = 111,792.24/x
  3. Step 3: Cross multiply
    134,187.12x = 185,186.52 × 111,792.24
  4. Step 4: Simplify right side
    134,187.12x = 20,702,415,888.60
  5. Step 5: Solve for x
    x = 20,702,415,888.60/134,187.12
  6. Step 6: Final answer
    x = 154,280.20

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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.