Home / 186,072.83-256,774.50-105,507.53

Finding the Fourth Proportional to 186,072.83, 256,774.50 and 105,507.53

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Solution

The fourth proportional to 186,072.83, 256,774.50 and 105,507.53 is: 145,596.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,072.83 : 256,774.50 = 105,507.53 : x
  2. Step 2: Convert to fraction form
    186,072.83/256,774.50 = 105,507.53/x
  3. Step 3: Cross multiply
    186,072.83x = 256,774.50 × 105,507.53
  4. Step 4: Simplify right side
    186,072.83x = 27,091,643,261.99
  5. Step 5: Solve for x
    x = 27,091,643,261.99/186,072.83
  6. Step 6: Final answer
    x = 145,596.99

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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.