Home / 302,973.90-418,084.86-167,000.32

Finding the Fourth Proportional to 302,973.90, 418,084.86 and 167,000.32

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Solution

The fourth proportional to 302,973.90, 418,084.86 and 167,000.32 is: 230,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,973.90 : 418,084.86 = 167,000.32 : x
  2. Step 2: Convert to fraction form
    302,973.90/418,084.86 = 167,000.32/x
  3. Step 3: Cross multiply
    302,973.90x = 418,084.86 × 167,000.32
  4. Step 4: Simplify right side
    302,973.90x = 69,820,305,407.16
  5. Step 5: Solve for x
    x = 69,820,305,407.16/302,973.90
  6. Step 6: Final answer
    x = 230,449.90

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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.