Home / 186,758.21-257,718.72-110,302.06

Finding the Fourth Proportional to 186,758.21, 257,718.72 and 110,302.06

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Solution

The fourth proportional to 186,758.21, 257,718.72 and 110,302.06 is: 152,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,758.21 : 257,718.72 = 110,302.06 : x
  2. Step 2: Convert to fraction form
    186,758.21/257,718.72 = 110,302.06/x
  3. Step 3: Cross multiply
    186,758.21x = 257,718.72 × 110,302.06
  4. Step 4: Simplify right side
    186,758.21x = 28,426,904,287.52
  5. Step 5: Solve for x
    x = 28,426,904,287.52/186,758.21
  6. Step 6: Final answer
    x = 152,212.34

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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.