Home / 315,585.20-473,669.40-157,926.80

Finding the Fourth Proportional to 315,585.20, 473,669.40 and 157,926.80

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Solution

The fourth proportional to 315,585.20, 473,669.40 and 157,926.80 is: 237,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,585.20 : 473,669.40 = 157,926.80 : x
  2. Step 2: Convert to fraction form
    315,585.20/473,669.40 = 157,926.80/x
  3. Step 3: Cross multiply
    315,585.20x = 473,669.40 × 157,926.80
  4. Step 4: Simplify right side
    315,585.20x = 74,805,092,599.92
  5. Step 5: Solve for x
    x = 74,805,092,599.92/315,585.20
  6. Step 6: Final answer
    x = 237,036.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.