Home / 153,925.03-212,414.53-85,943.16

Finding the Fourth Proportional to 153,925.03, 212,414.53 and 85,943.16

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Solution

The fourth proportional to 153,925.03, 212,414.53 and 85,943.16 is: 118,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,925.03 : 212,414.53 = 85,943.16 : x
  2. Step 2: Convert to fraction form
    153,925.03/212,414.53 = 85,943.16/x
  3. Step 3: Cross multiply
    153,925.03x = 212,414.53 × 85,943.16
  4. Step 4: Simplify right side
    153,925.03x = 18,255,576,443.82
  5. Step 5: Solve for x
    x = 18,255,576,443.82/153,925.03
  6. Step 6: Final answer
    x = 118,600.44

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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.