Home / 186,000.78-256,671.26-101,117.46

Finding the Fourth Proportional to 186,000.78, 256,671.26 and 101,117.46

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Solution

The fourth proportional to 186,000.78, 256,671.26 and 101,117.46 is: 139,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,000.78 : 256,671.26 = 101,117.46 : x
  2. Step 2: Convert to fraction form
    186,000.78/256,671.26 = 101,117.46/x
  3. Step 3: Cross multiply
    186,000.78x = 256,671.26 × 101,117.46
  4. Step 4: Simplify right side
    186,000.78x = 25,953,945,866.20
  5. Step 5: Solve for x
    x = 25,953,945,866.20/186,000.78
  6. Step 6: Final answer
    x = 139,536.76

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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.