Home / 112,119.48-154,718.10-64,368.36

Finding the Fourth Proportional to 112,119.48, 154,718.10 and 64,368.36

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Solution

The fourth proportional to 112,119.48, 154,718.10 and 64,368.36 is: 88,824.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,119.48 : 154,718.10 = 64,368.36 : x
  2. Step 2: Convert to fraction form
    112,119.48/154,718.10 = 64,368.36/x
  3. Step 3: Cross multiply
    112,119.48x = 154,718.10 × 64,368.36
  4. Step 4: Simplify right side
    112,119.48x = 9,958,950,359.32
  5. Step 5: Solve for x
    x = 9,958,950,359.32/112,119.48
  6. Step 6: Final answer
    x = 88,824.44

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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.