Home / 186,165.38-256,909.37-101,283.05

Finding the Fourth Proportional to 186,165.38, 256,909.37 and 101,283.05

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Solution

The fourth proportional to 186,165.38, 256,909.37 and 101,283.05 is: 139,771.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,165.38 : 256,909.37 = 101,283.05 : x
  2. Step 2: Convert to fraction form
    186,165.38/256,909.37 = 101,283.05/x
  3. Step 3: Cross multiply
    186,165.38x = 256,909.37 × 101,283.05
  4. Step 4: Simplify right side
    186,165.38x = 26,020,564,703.04
  5. Step 5: Solve for x
    x = 26,020,564,703.04/186,165.38
  6. Step 6: Final answer
    x = 139,771.23

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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.