Home / 186,627.90-257,465.24-118,608.42

Finding the Fourth Proportional to 186,627.90, 257,465.24 and 118,608.42

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Solution

The fourth proportional to 186,627.90, 257,465.24 and 118,608.42 is: 163,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,627.90 : 257,465.24 = 118,608.42 : x
  2. Step 2: Convert to fraction form
    186,627.90/257,465.24 = 118,608.42/x
  3. Step 3: Cross multiply
    186,627.90x = 257,465.24 × 118,608.42
  4. Step 4: Simplify right side
    186,627.90x = 30,537,545,321.32
  5. Step 5: Solve for x
    x = 30,537,545,321.32/186,627.90
  6. Step 6: Final answer
    x = 163,627.97

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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.