Home / 252,505.46-348,456.58-137,783.10

Finding the Fourth Proportional to 252,505.46, 348,456.58 and 137,783.10

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Solution

The fourth proportional to 252,505.46, 348,456.58 and 137,783.10 is: 190,140.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,505.46 : 348,456.58 = 137,783.10 : x
  2. Step 2: Convert to fraction form
    252,505.46/348,456.58 = 137,783.10/x
  3. Step 3: Cross multiply
    252,505.46x = 348,456.58 × 137,783.10
  4. Step 4: Simplify right side
    252,505.46x = 48,011,427,807.80
  5. Step 5: Solve for x
    x = 48,011,427,807.80/252,505.46
  6. Step 6: Final answer
    x = 190,140.16

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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.