Home / 153,896.40-212,340.96-93,465.36

Finding the Fourth Proportional to 153,896.40, 212,340.96 and 93,465.36

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Solution

The fourth proportional to 153,896.40, 212,340.96 and 93,465.36 is: 128,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,896.40 : 212,340.96 = 93,465.36 : x
  2. Step 2: Convert to fraction form
    153,896.40/212,340.96 = 93,465.36/x
  3. Step 3: Cross multiply
    153,896.40x = 212,340.96 × 93,465.36
  4. Step 4: Simplify right side
    153,896.40x = 19,846,524,269.15
  5. Step 5: Solve for x
    x = 19,846,524,269.15/153,896.40
  6. Step 6: Final answer
    x = 128,960.29

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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.