Home / 112,000.36-154,553.16-61,699.36

Finding the Fourth Proportional to 112,000.36, 154,553.16 and 61,699.36

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Solution

The fourth proportional to 112,000.36, 154,553.16 and 61,699.36 is: 85,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,000.36 : 154,553.16 = 61,699.36 : x
  2. Step 2: Convert to fraction form
    112,000.36/154,553.16 = 61,699.36/x
  3. Step 3: Cross multiply
    112,000.36x = 154,553.16 × 61,699.36
  4. Step 4: Simplify right side
    112,000.36x = 9,535,831,057.98
  5. Step 5: Solve for x
    x = 9,535,831,057.98/112,000.36
  6. Step 6: Final answer
    x = 85,141.08

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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.