Home / 151,280.02-208,764.70-83,295.57

Finding the Fourth Proportional to 151,280.02, 208,764.70 and 83,295.57

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Solution

The fourth proportional to 151,280.02, 208,764.70 and 83,295.57 is: 114,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,280.02 : 208,764.70 = 83,295.57 : x
  2. Step 2: Convert to fraction form
    151,280.02/208,764.70 = 83,295.57/x
  3. Step 3: Cross multiply
    151,280.02x = 208,764.70 × 83,295.57
  4. Step 4: Simplify right side
    151,280.02x = 17,389,174,682.38
  5. Step 5: Solve for x
    x = 17,389,174,682.38/151,280.02
  6. Step 6: Final answer
    x = 114,946.94

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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.