Home / 186,918.89-257,913.56-106,341.71

Finding the Fourth Proportional to 186,918.89, 257,913.56 and 106,341.71

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Solution

The fourth proportional to 186,918.89, 257,913.56 and 106,341.71 is: 146,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,918.89 : 257,913.56 = 106,341.71 : x
  2. Step 2: Convert to fraction form
    186,918.89/257,913.56 = 106,341.71/x
  3. Step 3: Cross multiply
    186,918.89x = 257,913.56 × 106,341.71
  4. Step 4: Simplify right side
    186,918.89x = 27,426,969,913.23
  5. Step 5: Solve for x
    x = 27,426,969,913.23/186,918.89
  6. Step 6: Final answer
    x = 146,731.93

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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.