Home / 153,648.05-212,017.19-93,233.39

Finding the Fourth Proportional to 153,648.05, 212,017.19 and 93,233.39

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Solution

The fourth proportional to 153,648.05, 212,017.19 and 93,233.39 is: 128,651.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,648.05 : 212,017.19 = 93,233.39 : x
  2. Step 2: Convert to fraction form
    153,648.05/212,017.19 = 93,233.39/x
  3. Step 3: Cross multiply
    153,648.05x = 212,017.19 × 93,233.39
  4. Step 4: Simplify right side
    153,648.05x = 19,767,079,835.72
  5. Step 5: Solve for x
    x = 19,767,079,835.72/153,648.05
  6. Step 6: Final answer
    x = 128,651.68

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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.