Home / 186,484.22-257,339.28-105,901.10

Finding the Fourth Proportional to 186,484.22, 257,339.28 and 105,901.10

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Solution

The fourth proportional to 186,484.22, 257,339.28 and 105,901.10 is: 146,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,484.22 : 257,339.28 = 105,901.10 : x
  2. Step 2: Convert to fraction form
    186,484.22/257,339.28 = 105,901.10/x
  3. Step 3: Cross multiply
    186,484.22x = 257,339.28 × 105,901.10
  4. Step 4: Simplify right side
    186,484.22x = 27,252,512,825.21
  5. Step 5: Solve for x
    x = 27,252,512,825.21/186,484.22
  6. Step 6: Final answer
    x = 146,138.44

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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.