Home / 186,130.12-256,858.40-101,247.52

Finding the Fourth Proportional to 186,130.12, 256,858.40 and 101,247.52

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Solution

The fourth proportional to 186,130.12, 256,858.40 and 101,247.52 is: 139,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,130.12 : 256,858.40 = 101,247.52 : x
  2. Step 2: Convert to fraction form
    186,130.12/256,858.40 = 101,247.52/x
  3. Step 3: Cross multiply
    186,130.12x = 256,858.40 × 101,247.52
  4. Step 4: Simplify right side
    186,130.12x = 26,006,275,991.17
  5. Step 5: Solve for x
    x = 26,006,275,991.17/186,130.12
  6. Step 6: Final answer
    x = 139,720.94

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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.