Home / 186,933.02-257,972.85-102,055.55

Finding the Fourth Proportional to 186,933.02, 257,972.85 and 102,055.55

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Solution

The fourth proportional to 186,933.02, 257,972.85 and 102,055.55 is: 140,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,933.02 : 257,972.85 = 102,055.55 : x
  2. Step 2: Convert to fraction form
    186,933.02/257,972.85 = 102,055.55/x
  3. Step 3: Cross multiply
    186,933.02x = 257,972.85 × 102,055.55
  4. Step 4: Simplify right side
    186,933.02x = 26,327,559,801.95
  5. Step 5: Solve for x
    x = 26,327,559,801.95/186,933.02
  6. Step 6: Final answer
    x = 140,839.54

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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.