Home / 217,277.02-299,841.33-121,783.72

Finding the Fourth Proportional to 217,277.02, 299,841.33 and 121,783.72

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Solution

The fourth proportional to 217,277.02, 299,841.33 and 121,783.72 is: 168,061.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,277.02 : 299,841.33 = 121,783.72 : x
  2. Step 2: Convert to fraction form
    217,277.02/299,841.33 = 121,783.72/x
  3. Step 3: Cross multiply
    217,277.02x = 299,841.33 × 121,783.72
  4. Step 4: Simplify right side
    217,277.02x = 36,515,792,577.15
  5. Step 5: Solve for x
    x = 36,515,792,577.15/217,277.02
  6. Step 6: Final answer
    x = 168,061.00

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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.