Home / 153,927.14-212,423.92-85,943.03

Finding the Fourth Proportional to 153,927.14, 212,423.92 and 85,943.03

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Solution

The fourth proportional to 153,927.14, 212,423.92 and 85,943.03 is: 118,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,927.14 : 212,423.92 = 85,943.03 : x
  2. Step 2: Convert to fraction form
    153,927.14/212,423.92 = 85,943.03/x
  3. Step 3: Cross multiply
    153,927.14x = 212,423.92 × 85,943.03
  4. Step 4: Simplify right side
    153,927.14x = 18,256,354,052.30
  5. Step 5: Solve for x
    x = 18,256,354,052.30/153,927.14
  6. Step 6: Final answer
    x = 118,603.87

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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.