Home / 122,888.46-184,037.40-70,138.02

Finding the Fourth Proportional to 122,888.46, 184,037.40 and 70,138.02

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Solution

The fourth proportional to 122,888.46, 184,037.40 and 70,138.02 is: 105,038.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,888.46 : 184,037.40 = 70,138.02 : x
  2. Step 2: Convert to fraction form
    122,888.46/184,037.40 = 70,138.02/x
  3. Step 3: Cross multiply
    122,888.46x = 184,037.40 × 70,138.02
  4. Step 4: Simplify right side
    122,888.46x = 12,908,018,841.95
  5. Step 5: Solve for x
    x = 12,908,018,841.95/122,888.46
  6. Step 6: Final answer
    x = 105,038.49

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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.