Home / 186,661.10-257,592.57-101,778.16

Finding the Fourth Proportional to 186,661.10, 257,592.57 and 101,778.16

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Solution

The fourth proportional to 186,661.10, 257,592.57 and 101,778.16 is: 140,454.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,661.10 : 257,592.57 = 101,778.16 : x
  2. Step 2: Convert to fraction form
    186,661.10/257,592.57 = 101,778.16/x
  3. Step 3: Cross multiply
    186,661.10x = 257,592.57 × 101,778.16
  4. Step 4: Simplify right side
    186,661.10x = 26,217,297,804.27
  5. Step 5: Solve for x
    x = 26,217,297,804.27/186,661.10
  6. Step 6: Final answer
    x = 140,454.00

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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.