Home / 186,220.14-257,011.47-109,714.77

Finding the Fourth Proportional to 186,220.14, 257,011.47 and 109,714.77

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Solution

The fourth proportional to 186,220.14, 257,011.47 and 109,714.77 is: 151,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,220.14 : 257,011.47 = 109,714.77 : x
  2. Step 2: Convert to fraction form
    186,220.14/257,011.47 = 109,714.77/x
  3. Step 3: Cross multiply
    186,220.14x = 257,011.47 × 109,714.77
  4. Step 4: Simplify right side
    186,220.14x = 28,197,953,769.84
  5. Step 5: Solve for x
    x = 28,197,953,769.84/186,220.14
  6. Step 6: Final answer
    x = 151,422.69

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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.