Home / 318,527.69-439,568.28-175,287.73

Finding the Fourth Proportional to 318,527.69, 439,568.28 and 175,287.73

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Solution

The fourth proportional to 318,527.69, 439,568.28 and 175,287.73 is: 241,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,527.69 : 439,568.28 = 175,287.73 : x
  2. Step 2: Convert to fraction form
    318,527.69/439,568.28 = 175,287.73/x
  3. Step 3: Cross multiply
    318,527.69x = 439,568.28 × 175,287.73
  4. Step 4: Simplify right side
    318,527.69x = 77,050,925,981.20
  5. Step 5: Solve for x
    x = 77,050,925,981.20/318,527.69
  6. Step 6: Final answer
    x = 241,897.10

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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.