Home / 186,126.48-256,856.54-101,243.75

Finding the Fourth Proportional to 186,126.48, 256,856.54 and 101,243.75

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Solution

The fourth proportional to 186,126.48, 256,856.54 and 101,243.75 is: 139,717.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,126.48 : 256,856.54 = 101,243.75 : x
  2. Step 2: Convert to fraction form
    186,126.48/256,856.54 = 101,243.75/x
  3. Step 3: Cross multiply
    186,126.48x = 256,856.54 × 101,243.75
  4. Step 4: Simplify right side
    186,126.48x = 26,005,117,531.12
  5. Step 5: Solve for x
    x = 26,005,117,531.12/186,126.48
  6. Step 6: Final answer
    x = 139,717.45

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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.