Home / 186,129.12-256,857.02-101,246.52

Finding the Fourth Proportional to 186,129.12, 256,857.02 and 101,246.52

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Solution

The fourth proportional to 186,129.12, 256,857.02 and 101,246.52 is: 139,719.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,129.12 : 256,857.02 = 101,246.52 : x
  2. Step 2: Convert to fraction form
    186,129.12/256,857.02 = 101,246.52/x
  3. Step 3: Cross multiply
    186,129.12x = 256,857.02 × 101,246.52
  4. Step 4: Simplify right side
    186,129.12x = 26,005,879,412.57
  5. Step 5: Solve for x
    x = 26,005,879,412.57/186,129.12
  6. Step 6: Final answer
    x = 139,719.56

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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.