Home / 151,260.06-208,730.76-83,263.80

Finding the Fourth Proportional to 151,260.06, 208,730.76 and 83,263.80

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Solution

The fourth proportional to 151,260.06, 208,730.76 and 83,263.80 is: 114,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,260.06 : 208,730.76 = 83,263.80 : x
  2. Step 2: Convert to fraction form
    151,260.06/208,730.76 = 83,263.80/x
  3. Step 3: Cross multiply
    151,260.06x = 208,730.76 × 83,263.80
  4. Step 4: Simplify right side
    151,260.06x = 17,379,716,254.49
  5. Step 5: Solve for x
    x = 17,379,716,254.49/151,260.06
  6. Step 6: Final answer
    x = 114,899.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.