Home / 578,035.28-867,036.66-157,314.80

Finding the Fourth Proportional to 578,035.28, 867,036.66 and 157,314.80

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Solution

The fourth proportional to 578,035.28, 867,036.66 and 157,314.80 is: 235,967.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,035.28 : 867,036.66 = 157,314.80 : x
  2. Step 2: Convert to fraction form
    578,035.28/867,036.66 = 157,314.80/x
  3. Step 3: Cross multiply
    578,035.28x = 867,036.66 × 157,314.80
  4. Step 4: Simplify right side
    578,035.28x = 136,397,698,760.57
  5. Step 5: Solve for x
    x = 136,397,698,760.57/578,035.28
  6. Step 6: Final answer
    x = 235,967.77

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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.