Home / 153,647.35-212,047.26-93,233.30

Finding the Fourth Proportional to 153,647.35, 212,047.26 and 93,233.30

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Solution

The fourth proportional to 153,647.35, 212,047.26 and 93,233.30 is: 128,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,647.35 : 212,047.26 = 93,233.30 : x
  2. Step 2: Convert to fraction form
    153,647.35/212,047.26 = 93,233.30/x
  3. Step 3: Cross multiply
    153,647.35x = 212,047.26 × 93,233.30
  4. Step 4: Simplify right side
    153,647.35x = 19,769,864,745.52
  5. Step 5: Solve for x
    x = 19,769,864,745.52/153,647.35
  6. Step 6: Final answer
    x = 128,670.40

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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.