Home / 185,971.52-256,642.32-101,088.56

Finding the Fourth Proportional to 185,971.52, 256,642.32 and 101,088.56

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Solution

The fourth proportional to 185,971.52, 256,642.32 and 101,088.56 is: 139,503.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,971.52 : 256,642.32 = 101,088.56 : x
  2. Step 2: Convert to fraction form
    185,971.52/256,642.32 = 101,088.56/x
  3. Step 3: Cross multiply
    185,971.52x = 256,642.32 × 101,088.56
  4. Step 4: Simplify right side
    185,971.52x = 25,943,602,563.86
  5. Step 5: Solve for x
    x = 25,943,602,563.86/185,971.52
  6. Step 6: Final answer
    x = 139,503.09

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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.