Home / 186,556.29-257,448.54-105,988.24

Finding the Fourth Proportional to 186,556.29, 257,448.54 and 105,988.24

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Solution

The fourth proportional to 186,556.29, 257,448.54 and 105,988.24 is: 146,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,556.29 : 257,448.54 = 105,988.24 : x
  2. Step 2: Convert to fraction form
    186,556.29/257,448.54 = 105,988.24/x
  3. Step 3: Cross multiply
    186,556.29x = 257,448.54 × 105,988.24
  4. Step 4: Simplify right side
    186,556.29x = 27,286,517,001.55
  5. Step 5: Solve for x
    x = 27,286,517,001.55/186,556.29
  6. Step 6: Final answer
    x = 146,264.26

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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.