Home / 186,140.24-256,875.50-101,257.52

Finding the Fourth Proportional to 186,140.24, 256,875.50 and 101,257.52

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Solution

The fourth proportional to 186,140.24, 256,875.50 and 101,257.52 is: 139,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,140.24 : 256,875.50 = 101,257.52 : x
  2. Step 2: Convert to fraction form
    186,140.24/256,875.50 = 101,257.52/x
  3. Step 3: Cross multiply
    186,140.24x = 256,875.50 × 101,257.52
  4. Step 4: Simplify right side
    186,140.24x = 26,010,576,078.76
  5. Step 5: Solve for x
    x = 26,010,576,078.76/186,140.24
  6. Step 6: Final answer
    x = 139,736.45

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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.