Home / 112,192.11-154,814.35-61,887.87

Finding the Fourth Proportional to 112,192.11, 154,814.35 and 61,887.87

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Solution

The fourth proportional to 112,192.11, 154,814.35 and 61,887.87 is: 85,399.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,192.11 : 154,814.35 = 61,887.87 : x
  2. Step 2: Convert to fraction form
    112,192.11/154,814.35 = 61,887.87/x
  3. Step 3: Cross multiply
    112,192.11x = 154,814.35 × 61,887.87
  4. Step 4: Simplify right side
    112,192.11x = 9,581,130,366.93
  5. Step 5: Solve for x
    x = 9,581,130,366.93/112,192.11
  6. Step 6: Final answer
    x = 85,399.32

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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.