Home / 224,880.32-310,356.96-129,391.04

Finding the Fourth Proportional to 224,880.32, 310,356.96 and 129,391.04

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Solution

The fourth proportional to 224,880.32, 310,356.96 and 129,391.04 is: 178,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,880.32 : 310,356.96 = 129,391.04 : x
  2. Step 2: Convert to fraction form
    224,880.32/310,356.96 = 129,391.04/x
  3. Step 3: Cross multiply
    224,880.32x = 310,356.96 × 129,391.04
  4. Step 4: Simplify right side
    224,880.32x = 40,157,409,825.64
  5. Step 5: Solve for x
    x = 40,157,409,825.64/224,880.32
  6. Step 6: Final answer
    x = 178,572.36

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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.