Home / 186,838.32-280,406.96-98,144.16

Finding the Fourth Proportional to 186,838.32, 280,406.96 and 98,144.16

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Solution

The fourth proportional to 186,838.32, 280,406.96 and 98,144.16 is: 147,294.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,838.32 : 280,406.96 = 98,144.16 : x
  2. Step 2: Convert to fraction form
    186,838.32/280,406.96 = 98,144.16/x
  3. Step 3: Cross multiply
    186,838.32x = 280,406.96 × 98,144.16
  4. Step 4: Simplify right side
    186,838.32x = 27,520,305,547.35
  5. Step 5: Solve for x
    x = 27,520,305,547.35/186,838.32
  6. Step 6: Final answer
    x = 147,294.76

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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.