Home / 186,908.48-257,940.96-111,455.36

Finding the Fourth Proportional to 186,908.48, 257,940.96 and 111,455.36

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Solution

The fourth proportional to 186,908.48, 257,940.96 and 111,455.36 is: 153,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,908.48 : 257,940.96 = 111,455.36 : x
  2. Step 2: Convert to fraction form
    186,908.48/257,940.96 = 111,455.36/x
  3. Step 3: Cross multiply
    186,908.48x = 257,940.96 × 111,455.36
  4. Step 4: Simplify right side
    186,908.48x = 28,748,902,555.55
  5. Step 5: Solve for x
    x = 28,748,902,555.55/186,908.48
  6. Step 6: Final answer
    x = 153,812.72

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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.