Home / 185,290.74-278,083.73-72,999.23

Finding the Fourth Proportional to 185,290.74, 278,083.73 and 72,999.23

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Solution

The fourth proportional to 185,290.74, 278,083.73 and 72,999.23 is: 109,557.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,290.74 : 278,083.73 = 72,999.23 : x
  2. Step 2: Convert to fraction form
    185,290.74/278,083.73 = 72,999.23/x
  3. Step 3: Cross multiply
    185,290.74x = 278,083.73 × 72,999.23
  4. Step 4: Simplify right side
    185,290.74x = 20,299,896,957.61
  5. Step 5: Solve for x
    x = 20,299,896,957.61/185,290.74
  6. Step 6: Final answer
    x = 109,557.00

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1.5x scale

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.