Home / 152,971.40-229,368-59,367.80

Finding the Fourth Proportional to 152,971.40, 229,368 and 59,367.80

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Solution

The fourth proportional to 152,971.40, 229,368 and 59,367.80 is: 89,017.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,971.40 : 229,368 = 59,367.80 : x
  2. Step 2: Convert to fraction form
    152,971.40/229,368 = 59,367.80/x
  3. Step 3: Cross multiply
    152,971.40x = 229,368 × 59,367.80
  4. Step 4: Simplify right side
    152,971.40x = 13,617,073,550.40
  5. Step 5: Solve for x
    x = 13,617,073,550.40/152,971.40
  6. Step 6: Final answer
    x = 89,017.12

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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.