Home / 186,875.40-280,313.10-149,896.20

Finding the Fourth Proportional to 186,875.40, 280,313.10 and 149,896.20

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Solution

The fourth proportional to 186,875.40, 280,313.10 and 149,896.20 is: 224,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,875.40 : 280,313.10 = 149,896.20 : x
  2. Step 2: Convert to fraction form
    186,875.40/280,313.10 = 149,896.20/x
  3. Step 3: Cross multiply
    186,875.40x = 280,313.10 × 149,896.20
  4. Step 4: Simplify right side
    186,875.40x = 42,017,868,500.22
  5. Step 5: Solve for x
    x = 42,017,868,500.22/186,875.40
  6. Step 6: Final answer
    x = 224,844.30

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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.