Home / 186,555.04-257,438.46-101,670.28

Finding the Fourth Proportional to 186,555.04, 257,438.46 and 101,670.28

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Solution

The fourth proportional to 186,555.04, 257,438.46 and 101,670.28 is: 140,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,555.04 : 257,438.46 = 101,670.28 : x
  2. Step 2: Convert to fraction form
    186,555.04/257,438.46 = 101,670.28/x
  3. Step 3: Cross multiply
    186,555.04x = 257,438.46 × 101,670.28
  4. Step 4: Simplify right side
    186,555.04x = 26,173,840,310.97
  5. Step 5: Solve for x
    x = 26,173,840,310.97/186,555.04
  6. Step 6: Final answer
    x = 140,300.90

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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.