Home / 224,239.95-309,439.98-127,431.18

Finding the Fourth Proportional to 224,239.95, 309,439.98 and 127,431.18

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Solution

The fourth proportional to 224,239.95, 309,439.98 and 127,431.18 is: 175,848.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,239.95 : 309,439.98 = 127,431.18 : x
  2. Step 2: Convert to fraction form
    224,239.95/309,439.98 = 127,431.18/x
  3. Step 3: Cross multiply
    224,239.95x = 309,439.98 × 127,431.18
  4. Step 4: Simplify right side
    224,239.95x = 39,432,301,790.58
  5. Step 5: Solve for x
    x = 39,432,301,790.58/224,239.95
  6. Step 6: Final answer
    x = 175,848.69

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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.