Home / 153,933.06-212,369.13-93,480.87

Finding the Fourth Proportional to 153,933.06, 212,369.13 and 93,480.87

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Solution

The fourth proportional to 153,933.06, 212,369.13 and 93,480.87 is: 128,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,933.06 : 212,369.13 = 93,480.87 : x
  2. Step 2: Convert to fraction form
    153,933.06/212,369.13 = 93,480.87/x
  3. Step 3: Cross multiply
    153,933.06x = 212,369.13 × 93,480.87
  4. Step 4: Simplify right side
    153,933.06x = 19,852,451,033.54
  5. Step 5: Solve for x
    x = 19,852,451,033.54/153,933.06
  6. Step 6: Final answer
    x = 128,968.08

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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.