Home / 112,281.29-154,974.23-74,047.74

Finding the Fourth Proportional to 112,281.29, 154,974.23 and 74,047.74

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Solution

The fourth proportional to 112,281.29, 154,974.23 and 74,047.74 is: 102,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,281.29 : 154,974.23 = 74,047.74 : x
  2. Step 2: Convert to fraction form
    112,281.29/154,974.23 = 74,047.74/x
  3. Step 3: Cross multiply
    112,281.29x = 154,974.23 × 74,047.74
  4. Step 4: Simplify right side
    112,281.29x = 11,475,490,816.03
  5. Step 5: Solve for x
    x = 11,475,490,816.03/112,281.29
  6. Step 6: Final answer
    x = 102,203.06

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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.