Home / 186,330.41-257,159.19-105,784.01

Finding the Fourth Proportional to 186,330.41, 257,159.19 and 105,784.01

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Solution

The fourth proportional to 186,330.41, 257,159.19 and 105,784.01 is: 145,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,330.41 : 257,159.19 = 105,784.01 : x
  2. Step 2: Convert to fraction form
    186,330.41/257,159.19 = 105,784.01/x
  3. Step 3: Cross multiply
    186,330.41x = 257,159.19 × 105,784.01
  4. Step 4: Simplify right side
    186,330.41x = 27,203,329,040.76
  5. Step 5: Solve for x
    x = 27,203,329,040.76/186,330.41
  6. Step 6: Final answer
    x = 145,995.12

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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.