Home / 158,013.12-218,061.54-94,339.04

Finding the Fourth Proportional to 158,013.12, 218,061.54 and 94,339.04

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Solution

The fourth proportional to 158,013.12, 218,061.54 and 94,339.04 is: 130,189.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,013.12 : 218,061.54 = 94,339.04 : x
  2. Step 2: Convert to fraction form
    158,013.12/218,061.54 = 94,339.04/x
  3. Step 3: Cross multiply
    158,013.12x = 218,061.54 × 94,339.04
  4. Step 4: Simplify right side
    158,013.12x = 20,571,716,344.52
  5. Step 5: Solve for x
    x = 20,571,716,344.52/158,013.12
  6. Step 6: Final answer
    x = 130,189.93

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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.