Home / 122,692.45-184,038.72-38,459.17

Finding the Fourth Proportional to 122,692.45, 184,038.72 and 38,459.17

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Solution

The fourth proportional to 122,692.45, 184,038.72 and 38,459.17 is: 57,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,692.45 : 184,038.72 = 38,459.17 : x
  2. Step 2: Convert to fraction form
    122,692.45/184,038.72 = 38,459.17/x
  3. Step 3: Cross multiply
    122,692.45x = 184,038.72 × 38,459.17
  4. Step 4: Simplify right side
    122,692.45x = 7,077,976,419.06
  5. Step 5: Solve for x
    x = 7,077,976,419.06/122,692.45
  6. Step 6: Final answer
    x = 57,688.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.