Home / 230,346.30-317,888.73-134,883.75

Finding the Fourth Proportional to 230,346.30, 317,888.73 and 134,883.75

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Solution

The fourth proportional to 230,346.30, 317,888.73 and 134,883.75 is: 186,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,346.30 : 317,888.73 = 134,883.75 : x
  2. Step 2: Convert to fraction form
    230,346.30/317,888.73 = 134,883.75/x
  3. Step 3: Cross multiply
    230,346.30x = 317,888.73 × 134,883.75
  4. Step 4: Simplify right side
    230,346.30x = 42,878,023,985.14
  5. Step 5: Solve for x
    x = 42,878,023,985.14/230,346.30
  6. Step 6: Final answer
    x = 186,145.92

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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.