Home / 112,287.28-154,958.79-61,302.16

Finding the Fourth Proportional to 112,287.28, 154,958.79 and 61,302.16

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Solution

The fourth proportional to 112,287.28, 154,958.79 and 61,302.16 is: 84,598.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,287.28 : 154,958.79 = 61,302.16 : x
  2. Step 2: Convert to fraction form
    112,287.28/154,958.79 = 61,302.16/x
  3. Step 3: Cross multiply
    112,287.28x = 154,958.79 × 61,302.16
  4. Step 4: Simplify right side
    112,287.28x = 9,499,308,961.57
  5. Step 5: Solve for x
    x = 9,499,308,961.57/112,287.28
  6. Step 6: Final answer
    x = 84,598.26

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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.