Home / 186,350.18-257,128.14-109,893.32

Finding the Fourth Proportional to 186,350.18, 257,128.14 and 109,893.32

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Solution

The fourth proportional to 186,350.18, 257,128.14 and 109,893.32 is: 151,632.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,350.18 : 257,128.14 = 109,893.32 : x
  2. Step 2: Convert to fraction form
    186,350.18/257,128.14 = 109,893.32/x
  3. Step 3: Cross multiply
    186,350.18x = 257,128.14 × 109,893.32
  4. Step 4: Simplify right side
    186,350.18x = 28,256,664,970.02
  5. Step 5: Solve for x
    x = 28,256,664,970.02/186,350.18
  6. Step 6: Final answer
    x = 151,632.08

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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.