Home / 186,283.92-278,073.45-172,406.64

Finding the Fourth Proportional to 186,283.92, 278,073.45 and 172,406.64

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Solution

The fourth proportional to 186,283.92, 278,073.45 and 172,406.64 is: 257,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,283.92 : 278,073.45 = 172,406.64 : x
  2. Step 2: Convert to fraction form
    186,283.92/278,073.45 = 172,406.64/x
  3. Step 3: Cross multiply
    186,283.92x = 278,073.45 × 172,406.64
  4. Step 4: Simplify right side
    186,283.92x = 47,941,709,187.71
  5. Step 5: Solve for x
    x = 47,941,709,187.71/186,283.92
  6. Step 6: Final answer
    x = 257,358.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.