Home / 186,320.47-280,736.12-153,769.63

Finding the Fourth Proportional to 186,320.47, 280,736.12 and 153,769.63

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Solution

The fourth proportional to 186,320.47, 280,736.12 and 153,769.63 is: 231,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,320.47 : 280,736.12 = 153,769.63 : x
  2. Step 2: Convert to fraction form
    186,320.47/280,736.12 = 153,769.63/x
  3. Step 3: Cross multiply
    186,320.47x = 280,736.12 × 153,769.63
  4. Step 4: Simplify right side
    186,320.47x = 43,168,689,300.04
  5. Step 5: Solve for x
    x = 43,168,689,300.04/186,320.47
  6. Step 6: Final answer
    x = 231,690.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.