Home / 205,894.08-284,136.73-118,630.96

Finding the Fourth Proportional to 205,894.08, 284,136.73 and 118,630.96

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Solution

The fourth proportional to 205,894.08, 284,136.73 and 118,630.96 is: 163,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,894.08 : 284,136.73 = 118,630.96 : x
  2. Step 2: Convert to fraction form
    205,894.08/284,136.73 = 118,630.96/x
  3. Step 3: Cross multiply
    205,894.08x = 284,136.73 × 118,630.96
  4. Step 4: Simplify right side
    205,894.08x = 33,707,413,051.16
  5. Step 5: Solve for x
    x = 33,707,413,051.16/205,894.08
  6. Step 6: Final answer
    x = 163,712.40

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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.