Home / 216,534.76-298,878.34-148,562.80

Finding the Fourth Proportional to 216,534.76, 298,878.34 and 148,562.80

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Solution

The fourth proportional to 216,534.76, 298,878.34 and 148,562.80 is: 205,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,534.76 : 298,878.34 = 148,562.80 : x
  2. Step 2: Convert to fraction form
    216,534.76/298,878.34 = 148,562.80/x
  3. Step 3: Cross multiply
    216,534.76x = 298,878.34 × 148,562.80
  4. Step 4: Simplify right side
    216,534.76x = 44,402,203,049.75
  5. Step 5: Solve for x
    x = 44,402,203,049.75/216,534.76
  6. Step 6: Final answer
    x = 205,058.08

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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.