Home / 140,210.80-193,494.22-76,549.05

Finding the Fourth Proportional to 140,210.80, 193,494.22 and 76,549.05

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Solution

The fourth proportional to 140,210.80, 193,494.22 and 76,549.05 is: 105,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,210.80 : 193,494.22 = 76,549.05 : x
  2. Step 2: Convert to fraction form
    140,210.80/193,494.22 = 76,549.05/x
  3. Step 3: Cross multiply
    140,210.80x = 193,494.22 × 76,549.05
  4. Step 4: Simplify right side
    140,210.80x = 14,811,798,530.12
  5. Step 5: Solve for x
    x = 14,811,798,530.12/140,210.80
  6. Step 6: Final answer
    x = 105,639.50

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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.