Home / 238,292.04-328,660.80-161,870.06

Finding the Fourth Proportional to 238,292.04, 328,660.80 and 161,870.06

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Solution

The fourth proportional to 238,292.04, 328,660.80 and 161,870.06 is: 223,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,292.04 : 328,660.80 = 161,870.06 : x
  2. Step 2: Convert to fraction form
    238,292.04/328,660.80 = 161,870.06/x
  3. Step 3: Cross multiply
    238,292.04x = 328,660.80 × 161,870.06
  4. Step 4: Simplify right side
    238,292.04x = 53,200,343,415.65
  5. Step 5: Solve for x
    x = 53,200,343,415.65/238,292.04
  6. Step 6: Final answer
    x = 223,256.91

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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.