Home / 186,627.07-257,386.92-157,697.18

Finding the Fourth Proportional to 186,627.07, 257,386.92 and 157,697.18

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Solution

The fourth proportional to 186,627.07, 257,386.92 and 157,697.18 is: 217,488.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,627.07 : 257,386.92 = 157,697.18 : x
  2. Step 2: Convert to fraction form
    186,627.07/257,386.92 = 157,697.18/x
  3. Step 3: Cross multiply
    186,627.07x = 257,386.92 × 157,697.18
  4. Step 4: Simplify right side
    186,627.07x = 40,589,190,539.79
  5. Step 5: Solve for x
    x = 40,589,190,539.79/186,627.07
  6. Step 6: Final answer
    x = 217,488.23

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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.