Home / 307,066.32-423,842.76-193,964.40

Finding the Fourth Proportional to 307,066.32, 423,842.76 and 193,964.40

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Solution

The fourth proportional to 307,066.32, 423,842.76 and 193,964.40 is: 267,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,066.32 : 423,842.76 = 193,964.40 : x
  2. Step 2: Convert to fraction form
    307,066.32/423,842.76 = 193,964.40/x
  3. Step 3: Cross multiply
    307,066.32x = 423,842.76 × 193,964.40
  4. Step 4: Simplify right side
    307,066.32x = 82,210,406,637.74
  5. Step 5: Solve for x
    x = 82,210,406,637.74/307,066.32
  6. Step 6: Final answer
    x = 267,728.50

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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.