Home / 112,156.02-154,774.68-61,167.84

Finding the Fourth Proportional to 112,156.02, 154,774.68 and 61,167.84

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Solution

The fourth proportional to 112,156.02, 154,774.68 and 61,167.84 is: 84,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,156.02 : 154,774.68 = 61,167.84 : x
  2. Step 2: Convert to fraction form
    112,156.02/154,774.68 = 61,167.84/x
  3. Step 3: Cross multiply
    112,156.02x = 154,774.68 × 61,167.84
  4. Step 4: Simplify right side
    112,156.02x = 9,467,232,862.29
  5. Step 5: Solve for x
    x = 9,467,232,862.29/112,156.02
  6. Step 6: Final answer
    x = 84,411.28

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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.