Home / 185,962.10-256,622.63-105,397.10

Finding the Fourth Proportional to 185,962.10, 256,622.63 and 105,397.10

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Solution

The fourth proportional to 185,962.10, 256,622.63 and 105,397.10 is: 145,445.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,962.10 : 256,622.63 = 105,397.10 : x
  2. Step 2: Convert to fraction form
    185,962.10/256,622.63 = 105,397.10/x
  3. Step 3: Cross multiply
    185,962.10x = 256,622.63 × 105,397.10
  4. Step 4: Simplify right side
    185,962.10x = 27,047,281,110.94
  5. Step 5: Solve for x
    x = 27,047,281,110.94/185,962.10
  6. Step 6: Final answer
    x = 145,445.13

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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.