Home / 211,014.12-316,574.94-92,711.40

Finding the Fourth Proportional to 211,014.12, 316,574.94 and 92,711.40

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Solution

The fourth proportional to 211,014.12, 316,574.94 and 92,711.40 is: 139,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,014.12 : 316,574.94 = 92,711.40 : x
  2. Step 2: Convert to fraction form
    211,014.12/316,574.94 = 92,711.40/x
  3. Step 3: Cross multiply
    211,014.12x = 316,574.94 × 92,711.40
  4. Step 4: Simplify right side
    211,014.12x = 29,350,105,892.32
  5. Step 5: Solve for x
    x = 29,350,105,892.32/211,014.12
  6. Step 6: Final answer
    x = 139,090.72

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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.