Home / 328,118.04-452,681.46-192,128.76

Finding the Fourth Proportional to 328,118.04, 452,681.46 and 192,128.76

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Solution

The fourth proportional to 328,118.04, 452,681.46 and 192,128.76 is: 265,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,118.04 : 452,681.46 = 192,128.76 : x
  2. Step 2: Convert to fraction form
    328,118.04/452,681.46 = 192,128.76/x
  3. Step 3: Cross multiply
    328,118.04x = 452,681.46 × 192,128.76
  4. Step 4: Simplify right side
    328,118.04x = 86,973,127,584.79
  5. Step 5: Solve for x
    x = 86,973,127,584.79/328,118.04
  6. Step 6: Final answer
    x = 265,066.58

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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.