Home / 305,711.90-458,632.65-92,462.30

Finding the Fourth Proportional to 305,711.90, 458,632.65 and 92,462.30

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Solution

The fourth proportional to 305,711.90, 458,632.65 and 92,462.30 is: 138,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,711.90 : 458,632.65 = 92,462.30 : x
  2. Step 2: Convert to fraction form
    305,711.90/458,632.65 = 92,462.30/x
  3. Step 3: Cross multiply
    305,711.90x = 458,632.65 × 92,462.30
  4. Step 4: Simplify right side
    305,711.90x = 42,406,229,674.10
  5. Step 5: Solve for x
    x = 42,406,229,674.10/305,711.90
  6. Step 6: Final answer
    x = 138,713.05

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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.