Home / 186,030.57-256,720.39-101,147.64

Finding the Fourth Proportional to 186,030.57, 256,720.39 and 101,147.64

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Solution

The fourth proportional to 186,030.57, 256,720.39 and 101,147.64 is: 139,582.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,030.57 : 256,720.39 = 101,147.64 : x
  2. Step 2: Convert to fraction form
    186,030.57/256,720.39 = 101,147.64/x
  3. Step 3: Cross multiply
    186,030.57x = 256,720.39 × 101,147.64
  4. Step 4: Simplify right side
    186,030.57x = 25,966,660,372.81
  5. Step 5: Solve for x
    x = 25,966,660,372.81/186,030.57
  6. Step 6: Final answer
    x = 139,582.76

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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.