Home / 186,265.02-257,081.16-105,700.04

Finding the Fourth Proportional to 186,265.02, 257,081.16 and 105,700.04

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Solution

The fourth proportional to 186,265.02, 257,081.16 and 105,700.04 is: 145,886.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,265.02 : 257,081.16 = 105,700.04 : x
  2. Step 2: Convert to fraction form
    186,265.02/257,081.16 = 105,700.04/x
  3. Step 3: Cross multiply
    186,265.02x = 257,081.16 × 105,700.04
  4. Step 4: Simplify right side
    186,265.02x = 27,173,488,375.71
  5. Step 5: Solve for x
    x = 27,173,488,375.71/186,265.02
  6. Step 6: Final answer
    x = 145,886.16

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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.