Home / 152,415.40-228,623.10-93,317.80

Finding the Fourth Proportional to 152,415.40, 228,623.10 and 93,317.80

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Solution

The fourth proportional to 152,415.40, 228,623.10 and 93,317.80 is: 139,976.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,415.40 : 228,623.10 = 93,317.80 : x
  2. Step 2: Convert to fraction form
    152,415.40/228,623.10 = 93,317.80/x
  3. Step 3: Cross multiply
    152,415.40x = 228,623.10 × 93,317.80
  4. Step 4: Simplify right side
    152,415.40x = 21,334,604,721.18
  5. Step 5: Solve for x
    x = 21,334,604,721.18/152,415.40
  6. Step 6: Final answer
    x = 139,976.70

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1.5x scale

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.