Home / 153,632.44-212,025.06-85,671.52

Finding the Fourth Proportional to 153,632.44, 212,025.06 and 85,671.52

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Solution

The fourth proportional to 153,632.44, 212,025.06 and 85,671.52 is: 118,233.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,632.44 : 212,025.06 = 85,671.52 : x
  2. Step 2: Convert to fraction form
    153,632.44/212,025.06 = 85,671.52/x
  3. Step 3: Cross multiply
    153,632.44x = 212,025.06 × 85,671.52
  4. Step 4: Simplify right side
    153,632.44x = 18,164,509,168.29
  5. Step 5: Solve for x
    x = 18,164,509,168.29/153,632.44
  6. Step 6: Final answer
    x = 118,233.55

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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.