Home / 186,055.09-256,775.08-109,598.25

Finding the Fourth Proportional to 186,055.09, 256,775.08 and 109,598.25

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Solution

The fourth proportional to 186,055.09, 256,775.08 and 109,598.25 is: 151,256.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,055.09 : 256,775.08 = 109,598.25 : x
  2. Step 2: Convert to fraction form
    186,055.09/256,775.08 = 109,598.25/x
  3. Step 3: Cross multiply
    186,055.09x = 256,775.08 × 109,598.25
  4. Step 4: Simplify right side
    186,055.09x = 28,142,099,411.61
  5. Step 5: Solve for x
    x = 28,142,099,411.61/186,055.09
  6. Step 6: Final answer
    x = 151,256.81

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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.