Home / 187,816.60-282,416.10-157,403.80

Finding the Fourth Proportional to 187,816.60, 282,416.10 and 157,403.80

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Solution

The fourth proportional to 187,816.60, 282,416.10 and 157,403.80 is: 236,684.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,816.60 : 282,416.10 = 157,403.80 : x
  2. Step 2: Convert to fraction form
    187,816.60/282,416.10 = 157,403.80/x
  3. Step 3: Cross multiply
    187,816.60x = 282,416.10 × 157,403.80
  4. Step 4: Simplify right side
    187,816.60x = 44,453,367,321.18
  5. Step 5: Solve for x
    x = 44,453,367,321.18/187,816.60
  6. Step 6: Final answer
    x = 236,684.98

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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.