Home / 125,093.38-172,558.85-74,056.33

Finding the Fourth Proportional to 125,093.38, 172,558.85 and 74,056.33

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Solution

The fourth proportional to 125,093.38, 172,558.85 and 74,056.33 is: 102,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,093.38 : 172,558.85 = 74,056.33 : x
  2. Step 2: Convert to fraction form
    125,093.38/172,558.85 = 74,056.33/x
  3. Step 3: Cross multiply
    125,093.38x = 172,558.85 × 74,056.33
  4. Step 4: Simplify right side
    125,093.38x = 12,779,075,140.02
  5. Step 5: Solve for x
    x = 12,779,075,140.02/125,093.38
  6. Step 6: Final answer
    x = 102,156.29

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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.