Home / 140,840.84-211,119.02-88,287.16

Finding the Fourth Proportional to 140,840.84, 211,119.02 and 88,287.16

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Solution

The fourth proportional to 140,840.84, 211,119.02 and 88,287.16 is: 132,341.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,840.84 : 211,119.02 = 88,287.16 : x
  2. Step 2: Convert to fraction form
    140,840.84/211,119.02 = 88,287.16/x
  3. Step 3: Cross multiply
    140,840.84x = 211,119.02 × 88,287.16
  4. Step 4: Simplify right side
    140,840.84x = 18,639,098,697.78
  5. Step 5: Solve for x
    x = 18,639,098,697.78/140,840.84
  6. Step 6: Final answer
    x = 132,341.58

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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.