Home / 148,894.02-205,506.16-91,582.60

Finding the Fourth Proportional to 148,894.02, 205,506.16 and 91,582.60

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Solution

The fourth proportional to 148,894.02, 205,506.16 and 91,582.60 is: 126,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,894.02 : 205,506.16 = 91,582.60 : x
  2. Step 2: Convert to fraction form
    148,894.02/205,506.16 = 91,582.60/x
  3. Step 3: Cross multiply
    148,894.02x = 205,506.16 × 91,582.60
  4. Step 4: Simplify right side
    148,894.02x = 18,820,788,448.82
  5. Step 5: Solve for x
    x = 18,820,788,448.82/148,894.02
  6. Step 6: Final answer
    x = 126,403.92

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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.