Home / 112,253.10-154,935.87-64,534.17

Finding the Fourth Proportional to 112,253.10, 154,935.87 and 64,534.17

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Solution

The fourth proportional to 112,253.10, 154,935.87 and 64,534.17 is: 89,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,253.10 : 154,935.87 = 64,534.17 : x
  2. Step 2: Convert to fraction form
    112,253.10/154,935.87 = 64,534.17/x
  3. Step 3: Cross multiply
    112,253.10x = 154,935.87 × 64,534.17
  4. Step 4: Simplify right side
    112,253.10x = 9,998,657,773.68
  5. Step 5: Solve for x
    x = 9,998,657,773.68/112,253.10
  6. Step 6: Final answer
    x = 89,072.44

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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.